57022782931 has 2 divisors, whose sum is σ = 57022782932. Its totient is φ = 57022782930.

The previous prime is 57022782823. The next prime is 57022782953. The reversal of 57022782931 is 13928722075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57022782931 - 2¹¹ = 57022780883 is a prime.

It is a super-2 number, since 2×57022782931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57022783931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28511391465 + 28511391466.

It is an arithmetic number, because the mean of its divisors is an integer number (28511391466).

Almost surely, 2^57022782931 is an apocalyptic number.

57022782931 is a deficient number, since it is larger than the sum of its proper divisors (1).

57022782931 is an equidigital number, since it uses as much as digits as its factorization.

57022782931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 57022782931 in words is "fifty-seven billion, twenty-two million, seven hundred eighty-two thousand, nine hundred thirty-one".