Search a number
-
+
55069458 = 2361379397
BaseRepresentation
bin1101001000010…
…0101100010010
310211121211002120
43102010230102
5103044210313
65244155110
71236040233
oct322045422
9124554076
1055069458
11290a3554
1216538a96
13b5419a2
14745708a
154c7bd23
hex3484b12

55069458 has 32 divisors (see below), whose sum is σ = 112522560. Its totient is φ = 17962560.

The previous prime is 55069447. The next prime is 55069459. The reversal of 55069458 is 85496055.

It is not an unprimeable number, because it can be changed into a prime (55069459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138516 + ... + 138912.

It is an arithmetic number, because the mean of its divisors is an integer number (3516330).

Almost surely, 255069458 is an apocalyptic number.

55069458 is an abundant number, since it is smaller than the sum of its proper divisors (57453102).

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

55069458 is a wasteful number, since it uses less digits than its factorization.

55069458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 55069458 is about 7420.8798669700. The cubic root of 55069458 is about 380.4552668979.

The spelling of 55069458 in words is "fifty-five million, sixty-nine thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 61 122 183 366 379 397 758 794 1137 1191 2274 2382 23119 24217 46238 48434 69357 72651 138714 145302 150463 300926 451389 902778 9178243 18356486 27534729 55069458