51936629747400 has 72 divisors (see below), whose sum is σ = 174420514907730. Its totient is φ = 13849767932160.

The previous prime is 51936629747363. The next prime is 51936629747413. The reversal of 51936629747400 is 474792663915.

51936629747400 is a `hidden beast` number, since 5 + 19 + 3 + 6 + 62 + 97 + 474 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 31667023003716 + 20269606743684 = 5627346^2 + 4502178^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14426839797 + ... + 14426843396.

Almost surely, 2^{51936629747400} is an apocalyptic number.

51936629747400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51936629747400 is an abundant number, since it is smaller than the sum of its proper divisors (122483885160330).

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

51936629747400 is a wasteful number, since it uses less digits than its factorization.

51936629747400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28853683215 (or 28853683203 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 51936629747400 in words is "fifty-one trillion, nine hundred thirty-six billion, six hundred twenty-nine million, seven hundred forty-seven thousand, four hundred".