57354441815 has 32 divisors (see below), whose sum is σ = 80685414144. Its totient is φ = 38672663040.

The previous prime is 57354441803. The next prime is 57354441839. The reversal of 57354441815 is 51814445375.

It is not a de Polignac number, because 57354441815 - 2⁸ = 57354441559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57354441815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395129 + ... + 520418.

It is an arithmetic number, because the mean of its divisors is an integer number (2521419192).

Almost surely, 2^57354441815 is an apocalyptic number.

57354441815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57354441815 is a deficient number, since it is larger than the sum of its proper divisors (23330972329).

57354441815 is a wasteful number, since it uses less digits than its factorization.

57354441815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915647.

The product of its digits is 1344000, while the sum is 47.

The spelling of 57354441815 in words is "fifty-seven billion, three hundred fifty-four million, four hundred forty-one thousand, eight hundred fifteen".