52064400 has 120 divisors (see below), whose sum is σ = 170827360. Its totient is φ = 13547520.

The previous prime is 52064399. The next prime is 52064401. The reversal of 52064400 is 446025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52064399) and next prime (52064401).

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (52064401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51096 + ... + 52104.

Almost surely, 2^52064400 is an apocalyptic number.

52064400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52064400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85413680).

52064400 is an abundant number, since it is smaller than the sum of its proper divisors (118762960).

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

52064400 is a wasteful number, since it uses less digits than its factorization.

52064400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52064400 is about 7215.5665058261. The cubic root of 52064400 is about 373.4051378327.

The spelling of 52064400 in words is "fifty-two million, sixty-four thousand, four hundred".