57223037644 has 24 divisors (see below), whose sum is σ = 101536122240. Its totient is φ = 28212902784.

The previous prime is 57223037617. The next prime is 57223037681. The reversal of 57223037644 is 44673032275.

It is a self number, because there is not a number n which added to its sum of digits gives 57223037644.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352442 + ... + 1394110.

It is an arithmetic number, because the mean of its divisors is an integer number (4230671760).

Almost surely, 2^57223037644 is an apocalyptic number.

It is an amenable number.

57223037644 is a deficient number, since it is larger than the sum of its proper divisors (44313084596).

57223037644 is a wasteful number, since it uses less digits than its factorization.

57223037644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46449 (or 46447 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 57223037644 in words is "fifty-seven billion, two hundred twenty-three million, thirty-seven thousand, six hundred forty-four".