57311004444 has 12 divisors (see below), whose sum is σ = 133725677064. Its totient is φ = 19103668144.

The previous prime is 57311004419. The next prime is 57311004473. The reversal of 57311004444 is 44440011375.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2387958507 + ... + 2387958530.

It is an arithmetic number, because the mean of its divisors is an integer number (11143806422).

Almost surely, 2^57311004444 is an apocalyptic number.

It is an amenable number.

57311004444 is an abundant number, since it is smaller than the sum of its proper divisors (76414672620).

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

57311004444 is a wasteful number, since it uses less digits than its factorization.

57311004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775917044 (or 4775917042 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 57311004444 in words is "fifty-seven billion, three hundred eleven million, four thousand, four hundred forty-four".