51545088260 has 24 divisors (see below), whose sum is σ = 108304863576. Its totient is φ = 20606572800.

The previous prime is 51545088169. The next prime is 51545088271. The reversal of 51545088260 is 6288054515.

It can be written as a sum of positive squares in 4 ways, for example, as 1837493956 + 49707594304 = 42866^2 + 222952^2 .

It is a super-2 number, since 2×51545088260² (a number of 22 digits) contains 22 as substring.

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, 679487 + ... + 751526.

It is an arithmetic number, because the mean of its divisors is an integer number (4512702649).

Almost surely, 2^51545088260 is an apocalyptic number.

It is an amenable number.

51545088260 is an abundant number, since it is smaller than the sum of its proper divisors (56759775316).

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

51545088260 is a wasteful number, since it uses less digits than its factorization.

51545088260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432823 (or 1432821 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 51545088260 in words is "fifty-one billion, five hundred forty-five million, eighty-eight thousand, two hundred sixty".