52565130 has 24 divisors (see below), whose sum is σ = 136669572. Its totient is φ = 14017344.

The previous prime is 52565083. The next prime is 52565131. The reversal of 52565130 is 3156525.

52565130 is a `hidden beast` number, since 5 + 2 + 5 + 651 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48066489 + 4498641 = 6933^2 + 2121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52565094 and 52565103.

It is not an unprimeable number, because it can be changed into a prime (52565131) 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, 291939 + ... + 292118.

Almost surely, 2^52565130 is an apocalyptic number.

52565130 is an abundant number, since it is smaller than the sum of its proper divisors (84104442).

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

52565130 is a wasteful number, since it uses less digits than its factorization.

52565130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584070 (or 584067 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 52565130 is about 7250.1813770415. The cubic root of 52565130 is about 374.5983967264.

The spelling of 52565130 in words is "fifty-two million, five hundred sixty-five thousand, one hundred thirty".