52500120 has 32 divisors (see below), whose sum is σ = 157500720. Its totient is φ = 14000000.

The previous prime is 52500113. The next prime is 52500127. The reversal of 52500120 is 2100525.

It is an interprime number because it is at equal distance from previous prime (52500113) and next prime (52500127).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52500120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52500127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218631 + ... + 218870.

Almost surely, 2^52500120 is an apocalyptic number.

It is an amenable number.

52500120 is an abundant number, since it is smaller than the sum of its proper divisors (105000600).

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

52500120 is a wasteful number, since it uses less digits than its factorization.

52500120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437515 (or 437511 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 52500120 is about 7245.6966538767. The cubic root of 52500120 is about 374.4439046511.

Adding to 52500120 its reverse (2100525), we get a palindrome (54600645).

The spelling of 52500120 in words is "fifty-two million, five hundred thousand, one hundred twenty".