52513938 has 24 divisors (see below), whose sum is σ = 117451776. Its totient is φ = 16939800.

The previous prime is 52513933. The next prime is 52513961. The reversal of 52513938 is 83931525.

52513938 is a `hidden beast` number, since 52 + 513 + 93 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46498 + ... + 47613.

It is an arithmetic number, because the mean of its divisors is an integer number (4893824).

Almost surely, 2^52513938 is an apocalyptic number.

52513938 is an abundant number, since it is smaller than the sum of its proper divisors (64937838).

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

52513938 is a wasteful number, since it uses less digits than its factorization.

52513938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94150 (or 94147 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 52513938 is about 7246.6501226429. The cubic root of 52513938 is about 374.4767529062.

The spelling of 52513938 in words is "fifty-two million, five hundred thirteen thousand, nine hundred thirty-eight".