52070520 has 64 divisors (see below), whose sum is σ = 156748320. Its totient is φ = 13837824.

The previous prime is 52070519. The next prime is 52070521. The reversal of 52070520 is 2507025.

It is an interprime number because it is at equal distance from previous prime (52070519) and next prime (52070521).

It is a super-2 number, since 2×52070520² = 5422678106140800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52070521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47094 + ... + 48186.

Almost surely, 2^52070520 is an apocalyptic number.

It is an amenable number.

52070520 is an abundant number, since it is smaller than the sum of its proper divisors (104677800).

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

52070520 is a wasteful number, since it uses less digits than its factorization.

52070520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 52070520 is about 7215.9905764905. The cubic root of 52070520 is about 373.4197681105.

Adding to 52070520 its reverse (2507025), we get a palindrome (54577545).

The spelling of 52070520 in words is "fifty-two million, seventy thousand, five hundred twenty".