57031346561444 has 24 divisors (see below), whose sum is σ = 100738164723840. Its totient is φ = 28249016707296.

The previous prime is 57031346561417. The next prime is 57031346561509. The reversal of 57031346561444 is 44416564313075.

57031346561444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57031346561444² (a number of 28 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 148704122 + ... + 149087150.

It is an arithmetic number, because the mean of its divisors is an integer number (4197423530160).

Almost surely, 2^{57031346561444} is an apocalyptic number.

It is an amenable number.

57031346561444 is a deficient number, since it is larger than the sum of its proper divisors (43706818162396).

57031346561444 is a wasteful number, since it uses less digits than its factorization.

57031346561444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731027 (or 731025 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 57031346561444 in words is "fifty-seven trillion, thirty-one billion, three hundred forty-six million, five hundred sixty-one thousand, four hundred forty-four".