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55028534 = 2113180687
BaseRepresentation
bin1101000111101…
…0101100110110
310211112201221212
43101322230312
5103041403114
65243241422
71235510021
oct321725466
9124481855
1055028534
1129075830
1216519272
13b529182
1474461b8
154c6eb3e
hex347ab36

55028534 has 16 divisors (see below), whose sum is σ = 92952576. Its totient is φ = 24205800.

The previous prime is 55028521. The next prime is 55028549. The reversal of 55028534 is 43582055.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55028534.

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, 39662 + ... + 41025.

It is an arithmetic number, because the mean of its divisors is an integer number (5809536).

Almost surely, 255028534 is an apocalyptic number.

55028534 is a deficient number, since it is larger than the sum of its proper divisors (37924042).

55028534 is a wasteful number, since it uses less digits than its factorization.

55028534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80731.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 55028534 is about 7418.1219995360. The cubic root of 55028534 is about 380.3610004309.

The spelling of 55028534 in words is "fifty-five million, twenty-eight thousand, five hundred thirty-four".

Divisors: 1 2 11 22 31 62 341 682 80687 161374 887557 1775114 2501297 5002594 27514267 55028534