52515650 has 24 divisors (see below), whose sum is σ = 106560144. Its totient is φ = 19096400.

The previous prime is 52515649. The next prime is 52515667. The reversal of 52515650 is 5651525.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47192 + ... + 48291.

It is an arithmetic number, because the mean of its divisors is an integer number (4440006).

Almost surely, 2^52515650 is an apocalyptic number.

52515650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52515650 is an abundant number, since it is smaller than the sum of its proper divisors (54044494).

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

52515650 is a wasteful number, since it uses less digits than its factorization.

52515650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95506 (or 95501 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 52515650 is about 7246.7682452249. The cubic root of 52515650 is about 374.4808222845.

It can be divided in two parts, 5251 and 5650, that added together give a palindrome (10901).

The spelling of 52515650 in words is "fifty-two million, five hundred fifteen thousand, six hundred fifty".