57081649323 has 32 divisors (see below), whose sum is σ = 79533923392. Its totient is φ = 36379238400.

The previous prime is 57081649301. The next prime is 57081649351. The reversal of 57081649323 is 32394618075.

57081649323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57081649323 - 2⁶ = 57081649259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57081649363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6990363 + ... + 6998523.

It is an arithmetic number, because the mean of its divisors is an integer number (2485435106).

It is a 1-persistent number, because it is pandigital, but 2⋅57081649323 = 114163298646 is not.

Almost surely, 2^57081649323 is an apocalyptic number.

57081649323 is a deficient number, since it is larger than the sum of its proper divisors (22452274069).

57081649323 is a wasteful number, since it uses less digits than its factorization.

57081649323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 57081649323 in words is "fifty-seven billion, eighty-one million, six hundred forty-nine thousand, three hundred twenty-three".