57429731225 has 48 divisors (see below), whose sum is σ = 76349399040. Its totient is φ = 42776577600.

The previous prime is 57429731209. The next prime is 57429731329. The reversal of 57429731225 is 52213792475.

It is not a de Polignac number, because 57429731225 - 2⁴ = 57429731209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 57429731225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2135714 + ... + 2162436.

It is an arithmetic number, because the mean of its divisors is an integer number (1590612480).

Almost surely, 2^57429731225 is an apocalyptic number.

It is an amenable number.

57429731225 is a deficient number, since it is larger than the sum of its proper divisors (18919667815).

57429731225 is a wasteful number, since it uses less digits than its factorization.

57429731225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26870 (or 26865 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The spelling of 57429731225 in words is "fifty-seven billion, four hundred twenty-nine million, seven hundred thirty-one thousand, two hundred twenty-five".