Search a number
-
+
55046992 = 24721113491
BaseRepresentation
bin1101000111111…
…1001101010000
310211120200021111
43101333031100
5103043000432
65243503104
71235614600
oct321771520
9124520244
1055046992
1129088690
1216527a94
13b5346b0
14744cc00
154c75347
hex347f350

55046992 has 120 divisors (see below), whose sum is σ = 146053152. Its totient is φ = 19756800.

The previous prime is 55046977. The next prime is 55047023. The reversal of 55046992 is 29964055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111867 + ... + 112357.

Almost surely, 255046992 is an apocalyptic number.

55046992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55046992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73026576).

55046992 is an abundant number, since it is smaller than the sum of its proper divisors (91006160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55046992 is a wasteful number, since it uses less digits than its factorization.

55046992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 55046992 is about 7419.3660106508. The cubic root of 55046992 is about 380.4035233307.

The spelling of 55046992 in words is "fifty-five million, forty-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 44 49 52 56 77 88 91 98 104 112 143 154 176 182 196 208 286 308 364 392 491 539 572 616 637 728 784 982 1001 1078 1144 1232 1274 1456 1964 2002 2156 2288 2548 3437 3928 4004 4312 5096 5401 6383 6874 7007 7856 8008 8624 10192 10802 12766 13748 14014 16016 21604 24059 25532 27496 28028 37807 43208 44681 48118 51064 54992 56056 70213 75614 86416 89362 96236 102128 112112 140426 151228 178724 192472 264649 280852 302456 312767 357448 384944 491491 529298 561704 604912 625534 714896 982982 1058596 1123408 1251068 1965964 2117192 2502136 3440437 3931928 4234384 5004272 6880874 7863856 13761748 27523496 55046992