57040917 has 16 divisors (see below), whose sum is σ = 77608128. Its totient is φ = 37255680.

The previous prime is 57040891. The next prime is 57040927. The reversal of 57040917 is 71904075.

It is not a de Polignac number, because 57040917 - 2¹⁰ = 57039893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57040927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64158 + ... + 65040.

It is an arithmetic number, because the mean of its divisors is an integer number (4850508).

Almost surely, 2^57040917 is an apocalyptic number.

It is an amenable number.

57040917 is a deficient number, since it is larger than the sum of its proper divisors (20567211).

57040917 is a wasteful number, since it uses less digits than its factorization.

57040917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 57040917 is about 7552.5437436668. The cubic root of 57040917 is about 384.9421783069.

The spelling of 57040917 in words is "fifty-seven million, forty thousand, nine hundred seventeen".