52571620 has 12 divisors (see below), whose sum is σ = 110400444. Its totient is φ = 21028640.

The previous prime is 52571609. The next prime is 52571627. The reversal of 52571620 is 2617525.

It can be written as a sum of positive squares in 2 ways, for example, as 36699364 + 15872256 = 6058^2 + 3984^2 .

It is not an unprimeable number, because it can be changed into a prime (52571627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314271 + ... + 1314310.

It is an arithmetic number, because the mean of its divisors is an integer number (9200037).

Almost surely, 2^52571620 is an apocalyptic number.

It is an amenable number.

52571620 is an abundant number, since it is smaller than the sum of its proper divisors (57828824).

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

52571620 is a wasteful number, since it uses less digits than its factorization.

52571620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628590 (or 2628588 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52571620 is about 7250.6289382370. The cubic root of 52571620 is about 374.6138127987.

The spelling of 52571620 in words is "fifty-two million, five hundred seventy-one thousand, six hundred twenty".