53872566 has 16 divisors (see below), whose sum is σ = 117540288. Its totient is φ = 16325000.

The previous prime is 53872547. The next prime is 53872607. The reversal of 53872566 is 66527835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408060 + ... + 408191.

It is an arithmetic number, because the mean of its divisors is an integer number (7346268).

Almost surely, 2^53872566 is an apocalyptic number.

53872566 is an abundant number, since it is smaller than the sum of its proper divisors (63667722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53872566 is a wasteful number, since it uses less digits than its factorization.

53872566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816267.

The product of its digits is 302400, while the sum is 42.

The square root of 53872566 is about 7339.7933213409. The cubic root of 53872566 is about 377.6787534062.

The spelling of 53872566 in words is "fifty-three million, eight hundred seventy-two thousand, five hundred sixty-six".