52400868 has 48 divisors (see below), whose sum is σ = 139426560. Its totient is φ = 15174144.

The previous prime is 52400863. The next prime is 52400869. The reversal of 52400868 is 86800425.

It is not an unprimeable number, because it can be changed into a prime (52400861) 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, 7228 + ... + 12531.

It is an arithmetic number, because the mean of its divisors is an integer number (2904720).

Almost surely, 2^52400868 is an apocalyptic number.

It is an amenable number.

52400868 is an abundant number, since it is smaller than the sum of its proper divisors (87025692).

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

52400868 is a wasteful number, since it uses less digits than its factorization.

52400868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19796 (or 19794 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 52400868 is about 7238.8443829109. The cubic root of 52400868 is about 374.2077924867.

The spelling of 52400868 in words is "fifty-two million, four hundred thousand, eight hundred sixty-eight".