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55130352492 = 2234594196041
BaseRepresentation
bin110011010110000001…
…100110101101101100
312021022010111002012010
4303112001212231230
51400401332234432
641154310441220
73661116156435
oct632601465554
9167263432163
1055130352492
1121420712896
12a827063210
13527790b667
14294dc4448c
151679e993cc
hexcd6066b6c

55130352492 has 12 divisors (see below), whose sum is σ = 128637489176. Its totient is φ = 18376784160.

The previous prime is 55130352491. The next prime is 55130352517. The reversal of 55130352492 is 29425303155.

55130352492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×551303524922 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55130352492.

It is not an unprimeable number, because it can be changed into a prime (55130352491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297098009 + ... + 2297098032.

Almost surely, 255130352492 is an apocalyptic number.

It is an amenable number.

55130352492 is an abundant number, since it is smaller than the sum of its proper divisors (73507136684).

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

55130352492 is a wasteful number, since it uses less digits than its factorization.

55130352492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594196048 (or 4594196046 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 55130352492 in words is "fifty-five billion, one hundred thirty million, three hundred fifty-two thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 4594196041 9188392082 13782588123 18376784164 27565176246 55130352492