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55151356 = 22133134213
BaseRepresentation
bin1101001001100…
…0101011111100
310211202222102211
43102120223330
5103104320411
65250030204
71236531061
oct322305374
9124688384
1055151356
112914a037
1216578364
13b570050
147478c68
154c96221
hex3498afc

55151356 has 24 divisors (see below), whose sum is σ = 107295104. Its totient is φ = 24632640.

The previous prime is 55151339. The next prime is 55151389. The reversal of 55151356 is 65315155.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15495 + ... + 18718.

Almost surely, 255151356 is an apocalyptic number.

It is an amenable number.

55151356 is a deficient number, since it is larger than the sum of its proper divisors (52143748).

55151356 is a wasteful number, since it uses less digits than its factorization.

55151356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34261 (or 34259 counting only the distinct ones).

The product of its digits is 11250, while the sum is 31.

The square root of 55151356 is about 7426.3958957222. The cubic root of 55151356 is about 380.6437748492.

The spelling of 55151356 in words is "fifty-five million, one hundred fifty-one thousand, three hundred fifty-six".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 34213 68426 136852 444769 889538 1060603 1779076 2121206 4242412 13787839 27575678 55151356