52156400 has 60 divisors (see below), whose sum is σ = 126644424. Its totient is φ = 20640000.

The previous prime is 52156397. The next prime is 52156411. The reversal of 52156400 is 465125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39755 + ... + 41045.

Almost surely, 2^52156400 is an apocalyptic number.

52156400 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 52156400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63322212).

52156400 is an abundant number, since it is smaller than the sum of its proper divisors (74488024).

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

52156400 is a wasteful number, since it uses less digits than its factorization.

52156400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 52156400 is about 7221.9387978575. The cubic root of 52156400 is about 373.6249493095.

The spelling of 52156400 in words is "fifty-two million, one hundred fifty-six thousand, four hundred".