53156537 has 16 divisors (see below), whose sum is σ = 62963712. Its totient is φ = 43914960.

The previous prime is 53156513. The next prime is 53156561. The reversal of 53156537 is 73565135.

It is an interprime number because it is at equal distance from previous prime (53156513) and next prime (53156561).

It is a cyclic number.

It is not a de Polignac number, because 53156537 - 2¹⁸ = 52894393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53156497 and 53156506.

It is not an unprimeable number, because it can be changed into a prime (53156237) 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, 105428 + ... + 105930.

It is an arithmetic number, because the mean of its divisors is an integer number (3935232).

Almost surely, 2^53156537 is an apocalyptic number.

It is an amenable number.

53156537 is a deficient number, since it is larger than the sum of its proper divisors (9807175).

53156537 is a wasteful number, since it uses less digits than its factorization.

53156537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its digits is 47250, while the sum is 35.

The square root of 53156537 is about 7290.8529679318. The cubic root of 53156537 is about 375.9980218132.

The spelling of 53156537 in words is "fifty-three million, one hundred fifty-six thousand, five hundred thirty-seven".