57031117 has 8 divisors (see below), whose sum is σ = 67001760. Its totient is φ = 47858160.

The previous prime is 57031067. The next prime is 57031129. The reversal of 57031117 is 71113075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57031117 - 2¹¹ = 57029069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57031091 and 57031100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57031147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199267 + ... + 199552.

It is an arithmetic number, because the mean of its divisors is an integer number (8375220).

Almost surely, 2^57031117 is an apocalyptic number.

It is an amenable number.

57031117 is a deficient number, since it is larger than the sum of its proper divisors (9970643).

57031117 is a wasteful number, since it uses less digits than its factorization.

57031117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398843.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 57031117 is about 7551.8949277648. The cubic root of 57031117 is about 384.9201318555.

The spelling of 57031117 in words is "fifty-seven million, thirty-one thousand, one hundred seventeen".