52113907400 has 48 divisors (see below), whose sum is σ = 121369436100. Its totient is φ = 20810362880.

The previous prime is 52113907361. The next prime is 52113907423. The reversal of 52113907400 is 470931125.

It can be written as a sum of positive squares in 6 ways, for example, as 14908898404 + 37205008996 = 122102^2 + 192886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101105 + ... + 338304.

Almost surely, 2^52113907400 is an apocalyptic number.

52113907400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52113907400 is an abundant number, since it is smaller than the sum of its proper divisors (69255528700).

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

52113907400 is a wasteful number, since it uses less digits than its factorization.

52113907400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440018 (or 440009 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 52113907400 in words is "fifty-two billion, one hundred thirteen million, nine hundred seven thousand, four hundred".