57281814345 has 32 divisors (see below), whose sum is σ = 104758502400. Its totient is φ = 26182319040.

The previous prime is 57281814301. The next prime is 57281814349. The reversal of 57281814345 is 54341818275.

57281814345 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 57281814345 - 2¹² = 57281810249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57281814294 and 57281814303.

It is not an unprimeable number, because it can be changed into a prime (57281814349) 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, 807106 + ... + 875204.

It is an arithmetic number, because the mean of its divisors is an integer number (3273703200).

Almost surely, 2^57281814345 is an apocalyptic number.

It is an amenable number.

57281814345 is a deficient number, since it is larger than the sum of its proper divisors (47476688055).

57281814345 is a wasteful number, since it uses less digits than its factorization.

57281814345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76125.

The product of its digits is 1075200, while the sum is 48.

The spelling of 57281814345 in words is "fifty-seven billion, two hundred eighty-one million, eight hundred fourteen thousand, three hundred forty-five".