57051987593 has 12 divisors (see below), whose sum is σ = 59345358540. Its totient is φ = 54843948096.

The previous prime is 57051987589. The next prime is 57051987647. The reversal of 57051987593 is 39578915075.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6421137424 + 50630850169 = 80132^2 + 225013^2 .

It is not a de Polignac number, because 57051987593 - 2² = 57051987589 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57051987563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44471 + ... + 340707.

It is an arithmetic number, because the mean of its divisors is an integer number (4945446545).

Almost surely, 2^57051987593 is an apocalyptic number.

It is an amenable number.

57051987593 is a deficient number, since it is larger than the sum of its proper divisors (2293370947).

57051987593 is a wasteful number, since it uses less digits than its factorization.

57051987593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296524 (or 296495 counting only the distinct ones).

The product of its (nonzero) digits is 11907000, while the sum is 59.

The spelling of 57051987593 in words is "fifty-seven billion, fifty-one million, nine hundred eighty-seven thousand, five hundred ninety-three".