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55050396155 = 5238314933863
BaseRepresentation
bin110011010001010000…
…100110000111111011
312021002120000212201022
4303101100212013323
51400220400134110
641142333013055
73656125434536
oct632120460773
9167076025638
1055050396155
112138a571477
12a80432418b
135264195111
14294338da1d
151672e53755
hexcd14261fb

55050396155 has 32 divisors (see below), whose sum is σ = 69827982336. Its totient is φ = 41579342464.

The previous prime is 55050396151. The next prime is 55050396157. The reversal of 55050396155 is 55169305055.

55050396155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55050396155 - 22 = 55050396151 is a prime.

It is a super-2 number, since 2×550503961552 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55050396151) 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, 14248754 + ... + 14252616.

It is an arithmetic number, because the mean of its divisors is an integer number (2182124448).

Almost surely, 255050396155 is an apocalyptic number.

55050396155 is a deficient number, since it is larger than the sum of its proper divisors (14777586181).

55050396155 is a wasteful number, since it uses less digits than its factorization.

55050396155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467.

The product of its (nonzero) digits is 506250, while the sum is 44.

The spelling of 55050396155 in words is "fifty-five billion, fifty million, three hundred ninety-six thousand, one hundred fifty-five".

Divisors: 1 5 23 83 115 415 1493 1909 3863 7465 9545 19315 34339 88849 123919 171695 320629 444245 619595 1603145 2850137 5767459 7374467 14250685 28837295 36872335 132651557 478699097 663257785 2393495485 11010079231 55050396155