53972855 has 16 divisors (see below), whose sum is σ = 66063360. Its totient is φ = 42321312.

The previous prime is 53972843. The next prime is 53972887. The reversal of 53972855 is 55827935.

It is a cyclic number.

It is not a de Polignac number, because 53972855 - 2⁴ = 53972839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122726 + ... + 123164.

It is an arithmetic number, because the mean of its divisors is an integer number (4128960).

Almost surely, 2^53972855 is an apocalyptic number.

53972855 is a deficient number, since it is larger than the sum of its proper divisors (12090505).

53972855 is a wasteful number, since it uses less digits than its factorization.

53972855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878.

The product of its digits is 378000, while the sum is 44.

The square root of 53972855 is about 7346.6220128709. The cubic root of 53972855 is about 377.9129699885.

The spelling of 53972855 in words is "fifty-three million, nine hundred seventy-two thousand, eight hundred fifty-five".