52514540 has 24 divisors (see below), whose sum is σ = 118764240. Its totient is φ = 19389888.

The previous prime is 52514519. The next prime is 52514551. The reversal of 52514540 is 4541525.

52514540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52514540² = 5515553822823200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100730 + ... + 101249.

It is an arithmetic number, because the mean of its divisors is an integer number (4948510).

Almost surely, 2^52514540 is an apocalyptic number.

It is an amenable number.

52514540 is an abundant number, since it is smaller than the sum of its proper divisors (66249700).

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

52514540 is a wasteful number, since it uses less digits than its factorization.

52514540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202001 (or 201999 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 52514540 is about 7246.6916589572. The cubic root of 52514540 is about 374.4781838542.

The spelling of 52514540 in words is "fifty-two million, five hundred fourteen thousand, five hundred forty".