57427315645 has 8 divisors (see below), whose sum is σ = 78757461504. Its totient is φ = 39378730704.

The previous prime is 57427315639. The next prime is 57427315651. The reversal of 57427315645 is 54651372475.

It is an interprime number because it is at equal distance from previous prime (57427315639) and next prime (57427315651).

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 57427315645 - 2¹⁵ = 57427282877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820390189 + ... + 820390258.

It is an arithmetic number, because the mean of its divisors is an integer number (9844682688).

Almost surely, 2^57427315645 is an apocalyptic number.

It is an amenable number.

57427315645 is a deficient number, since it is larger than the sum of its proper divisors (21330145859).

57427315645 is a wasteful number, since it uses less digits than its factorization.

57427315645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640780459.

The product of its digits is 3528000, while the sum is 49.

The spelling of 57427315645 in words is "fifty-seven billion, four hundred twenty-seven million, three hundred fifteen thousand, six hundred forty-five".