52813904 has 80 divisors (see below), whose sum is σ = 123367104. Its totient is φ = 21580800.

The previous prime is 52813903. The next prime is 52813919. The reversal of 52813904 is 40931825.

52813904 = T₁₂₀ + T₁₂₁ + ... + T₆₈₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52813903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93527 + ... + 94089.

Almost surely, 2^52813904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52813904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61683552).

52813904 is an abundant number, since it is smaller than the sum of its proper divisors (70553200).

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

52813904 is a wasteful number, since it uses less digits than its factorization.

52813904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 52813904 is about 7267.3175243689. The cubic root of 52813904 is about 375.1884184986.

The spelling of 52813904 in words is "fifty-two million, eight hundred thirteen thousand, nine hundred four".