57497091026 has 16 divisors (see below), whose sum is σ = 86442320664. Its totient is φ = 28683039744.

The previous prime is 57497091017. The next prime is 57497091089. The reversal of 57497091026 is 62019079475.

It can be written as a sum of positive squares in 4 ways, for example, as 57008725225 + 488365801 = 238765^2 + 22099^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264216 + ... + 2289468.

Almost surely, 2^57497091026 is an apocalyptic number.

57497091026 is a deficient number, since it is larger than the sum of its proper divisors (28945229638).

57497091026 is a wasteful number, since it uses less digits than its factorization.

57497091026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27805.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 57497091026 in words is "fifty-seven billion, four hundred ninety-seven million, ninety-one thousand, twenty-six".