57022782893 has 4 divisors (see below), whose sum is σ = 57225711228. Its totient is φ = 56819854560.

The previous prime is 57022782823. The next prime is 57022782931. The reversal of 57022782893 is 39828722075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42196554724 + 14826228169 = 205418^2 + 121763^2 .

It is a cyclic number.

It is not a de Polignac number, because 57022782893 - 2¹² = 57022778797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57022782823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101463746 + ... + 101464307.

It is an arithmetic number, because the mean of its divisors is an integer number (14306427807).

Almost surely, 2^57022782893 is an apocalyptic number.

It is an amenable number.

57022782893 is a deficient number, since it is larger than the sum of its proper divisors (202928335).

57022782893 is a wasteful number, since it uses less digits than its factorization.

57022782893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202928334.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 57022782893 in words is "fifty-seven billion, twenty-two million, seven hundred eighty-two thousand, eight hundred ninety-three".