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55100455252 = 2213775113813
BaseRepresentation
bin110011010100001111…
…100011100101010100
312021020001020010212221
4303110033203211110
51400321204032002
641151321552124
73660304066453
oct632417434524
9167201203787
1055100455252
1121405852627
12a819045644
13527167139b
142949ca0b9a
151677540c37
hexcd43e3954

55100455252 has 6 divisors (see below), whose sum is σ = 96425796698. Its totient is φ = 27550227624.

The previous prime is 55100455169. The next prime is 55100455253. The reversal of 55100455252 is 25255400155.

55100455252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55100050756 + 404496 = 234734^2 + 636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100455253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6887556903 + ... + 6887556910.

Almost surely, 255100455252 is an apocalyptic number.

It is an amenable number.

55100455252 is a deficient number, since it is larger than the sum of its proper divisors (41325341446).

55100455252 is a wasteful number, since it uses less digits than its factorization.

55100455252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13775113817 (or 13775113815 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 55100455252 in words is "fifty-five billion, one hundred million, four hundred fifty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 13775113813 27550227626 55100455252