53487357 has 16 divisors (see below), whose sum is σ = 88914432. Its totient is φ = 27785520.

The previous prime is 53487341. The next prime is 53487359. The reversal of 53487357 is 75378435.

It is not a de Polignac number, because 53487357 - 2⁴ = 53487341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53487359) 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, 115543 + ... + 116004.

It is an arithmetic number, because the mean of its divisors is an integer number (5557152).

Almost surely, 2^53487357 is an apocalyptic number.

It is an amenable number.

53487357 is a deficient number, since it is larger than the sum of its proper divisors (35427075).

53487357 is a wasteful number, since it uses less digits than its factorization.

53487357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231568.

The product of its digits is 352800, while the sum is 42.

The square root of 53487357 is about 7313.5051104105. The cubic root of 53487357 is about 376.7764178402.

The spelling of 53487357 in words is "fifty-three million, four hundred eighty-seven thousand, three hundred fifty-seven".