57250322081 has 8 divisors (see below), whose sum is σ = 57820053864. Its totient is φ = 56683186560.

The previous prime is 57250322053. The next prime is 57250322113. The reversal of 57250322081 is 18022305275.

It can be written as a sum of positive squares in 4 ways, for example, as 17973424225 + 39276897856 = 134065^2 + 198184^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57250322081 is a prime.

It is a super-2 number, since 2×57250322081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57250322881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604730 + ... + 692963.

It is an arithmetic number, because the mean of its divisors is an integer number (7227506733).

Almost surely, 2^57250322081 is an apocalyptic number.

It is an amenable number.

57250322081 is a deficient number, since it is larger than the sum of its proper divisors (569731783).

57250322081 is a wasteful number, since it uses less digits than its factorization.

57250322081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298131.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 57250322081 in words is "fifty-seven billion, two hundred fifty million, three hundred twenty-two thousand, eighty-one".