57230520450520 has 16 divisors (see below), whose sum is σ = 128768671013760. Its totient is φ = 22892208180192.

The previous prime is 57230520450517. The next prime is 57230520450539. The reversal of 57230520450520 is 2505402503275.

57230520450520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1430763011263 = 57230520450520 / (5 + 7 + 2 + 3 + 0 + 5 + 2 + 0 + 4 + 5 + 0 + 5 + 2 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715381505592 + ... + 715381505671.

It is an arithmetic number, because the mean of its divisors is an integer number (8048041938360).

Almost surely, 2^{57230520450520} is an apocalyptic number.

It is an amenable number.

57230520450520 is an abundant number, since it is smaller than the sum of its proper divisors (71538150563240).

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

57230520450520 is a wasteful number, since it uses less digits than its factorization.

57230520450520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430763011274 (or 1430763011270 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 40.

Adding to 57230520450520 its reverse (2505402503275), we get a palindrome (59735922953795).

The spelling of 57230520450520 in words is "fifty-seven trillion, two hundred thirty billion, five hundred twenty million, four hundred fifty thousand, five hundred twenty".