57071034845 has 24 divisors (see below), whose sum is σ = 75316456152. Its totient is φ = 41484544640.

The previous prime is 57071034841. The next prime is 57071034859. The reversal of 57071034845 is 54843017075.

It can be written as a sum of positive squares in 4 ways, for example, as 6191014489 + 50880020356 = 78683^2 + 225566^2 .

It is not a de Polignac number, because 57071034845 - 2² = 57071034841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57071034796 and 57071034805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57071034841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1184567 + ... + 1231803.

It is an arithmetic number, because the mean of its divisors is an integer number (3138185673).

Almost surely, 2^57071034845 is an apocalyptic number.

57071034845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57071034845 is a deficient number, since it is larger than the sum of its proper divisors (18245421307).

57071034845 is a wasteful number, since it uses less digits than its factorization.

57071034845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49261 (or 49250 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 57071034845 in words is "fifty-seven billion, seventy-one million, thirty-four thousand, eight hundred forty-five".