53440704 has 42 divisors (see below), whose sum is σ = 153179780. Its totient is φ = 17813376.

The previous prime is 53440693. The next prime is 53440729. The reversal of 53440704 is 40704435.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45814 + ... + 46965.

Almost surely, 2^53440704 is an apocalyptic number.

It is an amenable number.

53440704 is an abundant number, since it is smaller than the sum of its proper divisors (99739076).

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

53440704 is a wasteful number, since it uses less digits than its factorization.

53440704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92797 (or 92784 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 53440704 is about 7310.3149042979. The cubic root of 53440704 is about 376.6668413953. Note that the first 3 decimals are identical.

The spelling of 53440704 in words is "fifty-three million, four hundred forty thousand, seven hundred four".