Search a number
-
+
55456710 = 23537471063
BaseRepresentation
bin1101001110001…
…1001111000110
310212100111022020
43103203033012
5103144103320
65300344010
71242242241
oct323431706
9125314266
1055456710
11293384a1
12166a5006
13b64902a
147518258
154d06940
hex34e33c6

55456710 has 64 divisors (see below), whose sum is σ = 139732992. Its totient is φ = 14069376.

The previous prime is 55456633. The next prime is 55456711. The reversal of 55456710 is 1765455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51639 + ... + 52701.

It is an arithmetic number, because the mean of its divisors is an integer number (2183328).

Almost surely, 255456710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55456710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69866496).

55456710 is an abundant number, since it is smaller than the sum of its proper divisors (84276282).

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

55456710 is a wasteful number, since it uses less digits than its factorization.

55456710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55456710 is about 7446.9262115318. The cubic root of 55456710 is about 381.3449800087.

The spelling of 55456710 in words is "fifty-five million, four hundred fifty-six thousand, seven hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 47 74 94 111 141 185 222 235 282 370 470 555 705 1063 1110 1410 1739 2126 3189 3478 5217 5315 6378 8695 10434 10630 15945 17390 26085 31890 39331 49961 52170 78662 99922 117993 149883 196655 235986 249805 299766 393310 499610 589965 749415 1179930 1498830 1848557 3697114 5545671 9242785 11091342 18485570 27728355 55456710