57991262005 has 8 divisors (see below), whose sum is σ = 69703040952. Its totient is φ = 46317325248.

The previous prime is 57991261997. The next prime is 57991262029. The reversal of 57991262005 is 50026219975.

It can be written as a sum of positive squares in 4 ways, for example, as 5352678244 + 52638583761 = 73162^2 + 229431^2 .

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 57991262005 - 2³ = 57991261997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9457174 + ... + 9463303.

It is an arithmetic number, because the mean of its divisors is an integer number (8712880119).

Almost surely, 2^57991262005 is an apocalyptic number.

It is an amenable number.

57991262005 is a deficient number, since it is larger than the sum of its proper divisors (11711778947).

57991262005 is a wasteful number, since it uses less digits than its factorization.

57991262005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18921095.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 57991262005 in words is "fifty-seven billion, nine hundred ninety-one million, two hundred sixty-two thousand, five".