51106550262564 has 24 divisors (see below), whose sum is σ = 119249553414880. Its totient is φ = 17035383020544.

The previous prime is 51106550262539. The next prime is 51106550262569. The reversal of 51106550262564 is 46526205560115.

It is a super-2 number, since 2×51106550262564² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51106550262569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15118294 + ... + 18187245.

Almost surely, 2^{51106550262564} is an apocalyptic number.

It is an amenable number.

51106550262564 is an abundant number, since it is smaller than the sum of its proper divisors (68143003152316).

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

51106550262564 is a wasteful number, since it uses less digits than its factorization.

51106550262564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33433419 (or 33433417 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 51106550262564 in words is "fifty-one trillion, one hundred six billion, five hundred fifty million, two hundred sixty-two thousand, five hundred sixty-four".