53817904 has 20 divisors (see below), whose sum is σ = 119168464. Its totient is φ = 23064768.

The previous prime is 53817893. The next prime is 53817913. The reversal of 53817904 is 40971835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240147 + ... + 240370.

Almost surely, 2^53817904 is an apocalyptic number.

It is an amenable number.

53817904 is an abundant number, since it is smaller than the sum of its proper divisors (65350560).

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

53817904 is a wasteful number, since it uses less digits than its factorization.

53817904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480532 (or 480526 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 53817904 is about 7336.0687019684. The cubic root of 53817904 is about 377.5509724601.

The spelling of 53817904 in words is "fifty-three million, eight hundred seventeen thousand, nine hundred four".