53088939 has 24 divisors (see below), whose sum is σ = 79999920. Its totient is φ = 35181216.

The previous prime is 53088923. The next prime is 53088947. The reversal of 53088939 is 93988035.

53088939 is a `hidden beast` number, since 530 + 8 + 89 + 39 = 666.

It is not a de Polignac number, because 53088939 - 2⁴ = 53088923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53088894 and 53088903.

It is not an unprimeable number, because it can be changed into a prime (53088979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47317 + ... + 48425.

It is an arithmetic number, because the mean of its divisors is an integer number (3333330).

Almost surely, 2^53088939 is an apocalyptic number.

53088939 is a deficient number, since it is larger than the sum of its proper divisors (26910981).

53088939 is a wasteful number, since it uses less digits than its factorization.

53088939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 53088939 is about 7286.2156844277. The cubic root of 53088939 is about 375.8385713969.

The spelling of 53088939 in words is "fifty-three million, eighty-eight thousand, nine hundred thirty-nine".