53057331 has 12 divisors (see below), whose sum is σ = 76716640. Its totient is φ = 35335440.

The previous prime is 53057311. The next prime is 53057339. The reversal of 53057331 is 13375035.

It is not a de Polignac number, because 53057331 - 2⁵ = 53057299 is a prime.

It is a super-2 number, since 2×53057331² = 5630160745687122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53057295 and 53057304.

It is not an unprimeable number, because it can be changed into a prime (53057339) 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, 8685 + ... + 13473.

Almost surely, 2^53057331 is an apocalyptic number.

53057331 is a deficient number, since it is larger than the sum of its proper divisors (23659309).

53057331 is a wasteful number, since it uses less digits than its factorization.

53057331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026 (or 6023 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 53057331 is about 7284.0463342843. The cubic root of 53057331 is about 375.7639678846.

The spelling of 53057331 in words is "fifty-three million, fifty-seven thousand, three hundred thirty-one".