53404856 has 16 divisors (see below), whose sum is σ = 101341800. Its totient is φ = 26380384.

The previous prime is 53404843. The next prime is 53404891. The reversal of 53404856 is 65840435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39551 + ... + 40878.

Almost surely, 2^53404856 is an apocalyptic number.

It is an amenable number.

53404856 is a deficient number, since it is larger than the sum of its proper divisors (47936944).

53404856 is a wasteful number, since it uses less digits than its factorization.

53404856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80518 (or 80514 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 53404856 is about 7307.8626150195. The cubic root of 53404856 is about 376.5825999073.

The spelling of 53404856 in words is "fifty-three million, four hundred four thousand, eight hundred fifty-six".