52642900 has 18 divisors (see below), whose sum is σ = 114235310. Its totient is φ = 21057120.

The previous prime is 52642861. The next prime is 52642903. The reversal of 52642900 is 924625.

It can be written as a sum of positive squares in 3 ways, for example, as 138384 + 52504516 = 372^2 + 7246^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263115 + ... + 263314.

Almost surely, 2^52642900 is an apocalyptic number.

52642900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52642900 is an abundant number, since it is smaller than the sum of its proper divisors (61592410).

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

52642900 is a wasteful number, since it uses less digits than its factorization.

52642900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526443 (or 526436 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52642900 is about 7255.5427088537. The cubic root of 52642900 is about 374.7830448758.

The spelling of 52642900 in words is "fifty-two million, six hundred forty-two thousand, nine hundred".