52521100 has 36 divisors (see below), whose sum is σ = 114461424. Its totient is φ = 20918080.

The previous prime is 52521097. The next prime is 52521101. The reversal of 52521100 is 112525.

It is not an unprimeable number, because it can be changed into a prime (52521101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25302 + ... + 27298.

It is an arithmetic number, because the mean of its divisors is an integer number (3179484).

Almost surely, 2^52521100 is an apocalyptic number.

52521100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52521100 is an abundant number, since it is smaller than the sum of its proper divisors (61940324).

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

52521100 is a wasteful number, since it uses less digits than its factorization.

52521100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 52521100 is about 7247.1442651571. The cubic root of 52521100 is about 374.4937762000.

Adding to 52521100 its reverse (112525), we get a palindrome (52633625).

The spelling of 52521100 in words is "fifty-two million, five hundred twenty-one thousand, one hundred".