52506505157400 has 384 divisors, whose sum is σ = 211089989376000. Its totient is φ = 11746135710720.

The previous prime is 52506505157383. The next prime is 52506505157419. The reversal of 52506505157400 is 475150560525.

52506505157400 is a `hidden beast` number, since 5 + 2 + 5 + 0 + 65 + 0 + 515 + 74 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13000645 + ... + 16553844.

It is an arithmetic number, because the mean of its divisors is an integer number (549713514000).

Almost surely, 2^{52506505157400} is an apocalyptic number.

52506505157400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52506505157400 is an abundant number, since it is smaller than the sum of its proper divisors (158583484218600).

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

52506505157400 is a wasteful number, since it uses less digits than its factorization.

52506505157400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29554568 (or 29554553 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 52506505157400 in words is "fifty-two trillion, five hundred six billion, five hundred five million, one hundred fifty-seven thousand, four hundred".