52570368 has 54 divisors (see below), whose sum is σ = 151579974. Its totient is φ = 17522688.

The previous prime is 52570361. The next prime is 52570369. The reversal of 52570368 is 86307525.

52570368 is a `hidden beast` number, since 52 + 570 + 36 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52533504 + 36864 = 7248^2 + 192^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52570361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9105 + ... + 13712.

Almost surely, 2^52570368 is an apocalyptic number.

It is an amenable number.

52570368 is an abundant number, since it is smaller than the sum of its proper divisors (99009606).

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

52570368 is a wasteful number, since it uses less digits than its factorization.

52570368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22839 (or 22822 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 52570368 is about 7250.5426003852. The cubic root of 52570368 is about 374.6108389495.

The spelling of 52570368 in words is "fifty-two million, five hundred seventy thousand, three hundred sixty-eight".