53037531 has 16 divisors (see below), whose sum is σ = 82710400. Its totient is φ = 33497064.

The previous prime is 53037511. The next prime is 53037553. The reversal of 53037531 is 13573035.

It is not a de Polignac number, because 53037531 - 2⁷ = 53037403 is a prime.

It is a super-2 number, since 2×53037531² = 5625959389151922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53037495 and 53037504.

It is not an unprimeable number, because it can be changed into a prime (53037511) 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, 51181 + ... + 52206.

It is an arithmetic number, because the mean of its divisors is an integer number (5169400).

Almost surely, 2^53037531 is an apocalyptic number.

53037531 is a deficient number, since it is larger than the sum of its proper divisors (29672869).

53037531 is a wasteful number, since it uses less digits than its factorization.

53037531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103415 (or 103409 counting only the distinct ones).

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

The square root of 53037531 is about 7282.6870727775. The cubic root of 53037531 is about 375.7172193824.

The spelling of 53037531 in words is "fifty-three million, thirty-seven thousand, five hundred thirty-one".