53057551 has 8 divisors (see below), whose sum is σ = 53625600. Its totient is φ = 52492440.

The previous prime is 53057539. The next prime is 53057581. The reversal of 53057551 is 15575035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53057551 - 2²⁵ = 19503119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53057531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57786 + ... + 58696.

It is an arithmetic number, because the mean of its divisors is an integer number (6703200).

Almost surely, 2^53057551 is an apocalyptic number.

53057551 is a deficient number, since it is larger than the sum of its proper divisors (568049).

53057551 is a wasteful number, since it uses less digits than its factorization.

53057551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 53057551 is about 7284.0614357651. The cubic root of 53057551 is about 375.7644872471.

It can be divided in two parts, 530 and 57551, that added together give a square (58081 = 241²).

The spelling of 53057551 in words is "fifty-three million, fifty-seven thousand, five hundred fifty-one".