52570320 has 80 divisors (see below), whose sum is σ = 177792192. Its totient is φ = 12743680.

The previous prime is 52570319. The next prime is 52570361. The reversal of 52570320 is 2307525.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7317 + ... + 12596.

Almost surely, 2^52570320 is an apocalyptic number.

It is an amenable number.

52570320 is an abundant number, since it is smaller than the sum of its proper divisors (125221872).

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

52570320 is a wasteful number, since it uses less digits than its factorization.

52570320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19940 (or 19934 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 52570320 is about 7250.5392902873. The cubic root of 52570320 is about 374.6107249352.

Adding to 52570320 its reverse (2307525), we get a palindrome (54877845).

The spelling of 52570320 in words is "fifty-two million, five hundred seventy thousand, three hundred twenty".