57354631281 has 8 divisors (see below), whose sum is σ = 84969824160. Its totient is φ = 38236420836.

The previous prime is 57354631273. The next prime is 57354631309. The reversal of 57354631281 is 18213645375.

It is a happy number.

57354631281 is a `hidden beast` number, since 5 + 7 + 3 + 5 + 4 + 631 + 2 + 8 + 1 = 666.

57354631281 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 57354631281 - 2³ = 57354631273 is a prime.

It is a super-2 number, since 2×57354631281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57354631261) 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, 1062122775 + ... + 1062122828.

It is an arithmetic number, because the mean of its divisors is an integer number (10621228020).

Almost surely, 2^57354631281 is an apocalyptic number.

It is an amenable number.

57354631281 is a deficient number, since it is larger than the sum of its proper divisors (27615192879).

57354631281 is a wasteful number, since it uses less digits than its factorization.

57354631281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124245612 (or 2124245606 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 57354631281 in words is "fifty-seven billion, three hundred fifty-four million, six hundred thirty-one thousand, two hundred eighty-one".