52700400 has 90 divisors (see below), whose sum is σ = 182897520. Its totient is φ = 14052480.

The previous prime is 52700399. The next prime is 52700407. The reversal of 52700400 is 400725.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52700407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3720 + ... + 10919.

Almost surely, 2^52700400 is an apocalyptic number.

52700400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52700400 is an abundant number, since it is smaller than the sum of its proper divisors (130197120).

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

52700400 is a wasteful number, since it uses less digits than its factorization.

52700400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14663 (or 14649 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 52700400 is about 7259.5041152960. The cubic root of 52700400 is about 374.9194493655.

The spelling of 52700400 in words is "fifty-two million, seven hundred thousand, four hundred".