52625220 has 48 divisors (see below), whose sum is σ = 147735168. Its totient is φ = 13996800.

The previous prime is 52625213. The next prime is 52625257. The reversal of 52625220 is 2252625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28320 + ... + 30120.

It is an arithmetic number, because the mean of its divisors is an integer number (3077816).

Almost surely, 2^52625220 is an apocalyptic number.

It is an amenable number.

52625220 is an abundant number, since it is smaller than the sum of its proper divisors (95109948).

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

52625220 is a wasteful number, since it uses less digits than its factorization.

52625220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52625220 is about 7254.3242276590. The cubic root of 52625220 is about 374.7410834960.

Adding to 52625220 its reverse (2252625), we get a palindrome (54877845).

The spelling of 52625220 in words is "fifty-two million, six hundred twenty-five thousand, two hundred twenty".