53291404 has 12 divisors (see below), whose sum is σ = 93730000. Its totient is φ = 26511408.

The previous prime is 53291389. The next prime is 53291411. The reversal of 53291404 is 40419235.

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, 32679 + ... + 34270.

Almost surely, 2^53291404 is an apocalyptic number.

It is an amenable number.

53291404 is a deficient number, since it is larger than the sum of its proper divisors (40438596).

53291404 is a wasteful number, since it uses less digits than its factorization.

53291404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67152 (or 67150 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 53291404 is about 7300.0961637502. The cubic root of 53291404 is about 376.3157431577.

The spelling of 53291404 in words is "fifty-three million, two hundred ninety-one thousand, four hundred four".