52890570 has 160 divisors (see below), whose sum is σ = 158070528. Its totient is φ = 12621312.

The previous prime is 52890493. The next prime is 52890571. The reversal of 52890570 is 7509825.

52890570 is a `hidden beast` number, since 5 + 2 + 89 + 0 + 570 = 666.

52890570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52890571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 316627 + ... + 316793.

Almost surely, 2^52890570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52890570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79035264).

52890570 is an abundant number, since it is smaller than the sum of its proper divisors (105179958).

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

52890570 is a wasteful number, since it uses less digits than its factorization.

52890570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 52890570 is about 7272.5903225742. The cubic root of 52890570 is about 375.3698750599.

The spelling of 52890570 in words is "fifty-two million, eight hundred ninety thousand, five hundred seventy".