52450520 has 16 divisors (see below), whose sum is σ = 118013760. Its totient is φ = 20980192.

The previous prime is 52450513. The next prime is 52450537. The reversal of 52450520 is 2505425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655592 + ... + 655671.

It is an arithmetic number, because the mean of its divisors is an integer number (7375860).

Almost surely, 2^52450520 is an apocalyptic number.

It is an amenable number.

52450520 is an abundant number, since it is smaller than the sum of its proper divisors (65563240).

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

52450520 is a wasteful number, since it uses less digits than its factorization.

52450520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311274 (or 1311270 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 52450520 is about 7242.2731238196. The cubic root of 52450520 is about 374.3259476536.

Adding to 52450520 its reverse (2505425), we get a palindrome (54955945).

The spelling of 52450520 in words is "fifty-two million, four hundred fifty thousand, five hundred twenty".