50400513252 has 48 divisors (see below), whose sum is σ = 131085554880. Its totient is φ = 16746485184.

The previous prime is 50400513179. The next prime is 50400513301. The reversal of 50400513252 is 25231500405.

It is a happy number.

50400513252 is a `hidden beast` number, since 5 + 0 + 400 + 5 + 1 + 3 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711678 + ... + 779285.

It is an arithmetic number, because the mean of its divisors is an integer number (2730949060).

Almost surely, 2^50400513252 is an apocalyptic number.

It is an amenable number.

50400513252 is an abundant number, since it is smaller than the sum of its proper divisors (80685041628).

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

50400513252 is a wasteful number, since it uses less digits than its factorization.

50400513252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491289 (or 1491281 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 50400513252 in words is "fifty billion, four hundred million, five hundred thirteen thousand, two hundred fifty-two".