57731233647 has 16 divisors (see below), whose sum is σ = 79021712000. Its totient is φ = 37469954592.

The previous prime is 57731233643. The next prime is 57731233663. The reversal of 57731233647 is 74633213775.

It is not a de Polignac number, because 57731233647 - 2² = 57731233643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57731233596 and 57731233605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57731233643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689272 + ... + 768477.

It is an arithmetic number, because the mean of its divisors is an integer number (4938857000).

Almost surely, 2^57731233647 is an apocalyptic number.

57731233647 is a deficient number, since it is larger than the sum of its proper divisors (21290478353).

57731233647 is a wasteful number, since it uses less digits than its factorization.

57731233647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458102.

The product of its digits is 2222640, while the sum is 48.

The spelling of 57731233647 in words is "fifty-seven billion, seven hundred thirty-one million, two hundred thirty-three thousand, six hundred forty-seven".