52561580 has 24 divisors (see below), whose sum is σ = 111047328. Its totient is φ = 20897408.

The previous prime is 52561573. The next prime is 52561583. The reversal of 52561580 is 8516525.

It is not an unprimeable number, because it can be changed into a prime (52561583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4529 + ... + 11208.

It is an arithmetic number, because the mean of its divisors is an integer number (4626972).

Almost surely, 2^52561580 is an apocalyptic number.

It is an amenable number.

52561580 is an abundant number, since it is smaller than the sum of its proper divisors (58485748).

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

52561580 is a wasteful number, since it uses less digits than its factorization.

52561580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15913 (or 15911 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 52561580 is about 7249.9365514465. The cubic root of 52561580 is about 374.5899636691.

The spelling of 52561580 in words is "fifty-two million, five hundred sixty-one thousand, five hundred eighty".