52642931 has 16 divisors (see below), whose sum is σ = 61158240. Its totient is φ = 44782080.

The previous prime is 52642921. The next prime is 52642943. The reversal of 52642931 is 13924625.

It is a happy number.

It is not a de Polignac number, because 52642931 - 2¹⁸ = 52380787 is a prime.

It is a super-2 number, since 2×52642931² = 5542556368541522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52642921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36125 + ... + 37553.

It is an arithmetic number, because the mean of its divisors is an integer number (3822390).

Almost surely, 2^52642931 is an apocalyptic number.

52642931 is a deficient number, since it is larger than the sum of its proper divisors (8515309).

52642931 is a wasteful number, since it uses less digits than its factorization.

52642931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654.

The product of its digits is 12960, while the sum is 32.

The square root of 52642931 is about 7255.5448451512. The cubic root of 52642931 is about 374.7831184424.

The spelling of 52642931 in words is "fifty-two million, six hundred forty-two thousand, nine hundred thirty-one".