57225213438 has 64 divisors (see below), whose sum is σ = 119800296000. Its totient is φ = 18199609344.

The previous prime is 57225213413. The next prime is 57225213443. The reversal of 57225213438 is 83431252275.

It is a self number, because there is not a number n which added to its sum of digits gives 57225213438.

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 31 ways as a sum of consecutive naturals, for example, 12976978 + ... + 12981386.

It is an arithmetic number, because the mean of its divisors is an integer number (1871879625).

Almost surely, 2^57225213438 is an apocalyptic number.

57225213438 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

57225213438 is an abundant number, since it is smaller than the sum of its proper divisors (62575082562).

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

57225213438 is a wasteful number, since it uses less digits than its factorization.

57225213438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309.

The product of its digits is 403200, while the sum is 42.

The spelling of 57225213438 in words is "fifty-seven billion, two hundred twenty-five million, two hundred thirteen thousand, four hundred thirty-eight".