52913931 has 16 divisors (see below), whose sum is σ = 83232768. Its totient is φ = 29260800.

The previous prime is 52913929. The next prime is 52913933. The reversal of 52913931 is 13931925.

It is an interprime number because it is at equal distance from previous prime (52913929) and next prime (52913933).

It is not a de Polignac number, because 52913931 - 2¹ = 52913929 is a prime.

It is a super-2 number, since 2×52913931² = 5599768187745522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52913892 and 52913901.

It is not an unprimeable number, because it can be changed into a prime (52913933) 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, 39990 + ... + 41291.

It is an arithmetic number, because the mean of its divisors is an integer number (5202048).

Almost surely, 2^52913931 is an apocalyptic number.

52913931 is a deficient number, since it is larger than the sum of its proper divisors (30318837).

52913931 is a wasteful number, since it uses less digits than its factorization.

52913931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81322.

The product of its digits is 7290, while the sum is 33.

The square root of 52913931 is about 7274.1962442596. The cubic root of 52913931 is about 375.4251320740.

The spelling of 52913931 in words is "fifty-two million, nine hundred thirteen thousand, nine hundred thirty-one".