52786400 has 36 divisors (see below), whose sum is σ = 128866752. Its totient is φ = 21114240.

The previous prime is 52786387. The next prime is 52786421. The reversal of 52786400 is 468725.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 32192 + ... + 33791.

It is an arithmetic number, because the mean of its divisors is an integer number (3579632).

Almost surely, 2^52786400 is an apocalyptic number.

52786400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52786400 is an abundant number, since it is smaller than the sum of its proper divisors (76080352).

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

52786400 is a wasteful number, since it uses less digits than its factorization.

52786400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66003 (or 65990 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 52786400 is about 7265.4249703648. The cubic root of 52786400 is about 375.1232779875.

The spelling of 52786400 in words is "fifty-two million, seven hundred eighty-six thousand, four hundred".