57263190861 has 8 divisors (see below), whose sum is σ = 77975409024. Its totient is φ = 37363216640.

The previous prime is 57263190857. The next prime is 57263190889. The reversal of 57263190861 is 16809136275.

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

It is a cyclic number.

It is not a de Polignac number, because 57263190861 - 2² = 57263190857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57263190861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57263190661) 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, 203060820 + ... + 203061101.

It is an arithmetic number, because the mean of its divisors is an integer number (9746926128).

Almost surely, 2^57263190861 is an apocalyptic number.

It is an amenable number.

57263190861 is a deficient number, since it is larger than the sum of its proper divisors (20712218163).

57263190861 is a wasteful number, since it uses less digits than its factorization.

57263190861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406121971.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 57263190861 in words is "fifty-seven billion, two hundred sixty-three million, one hundred ninety thousand, eight hundred sixty-one".