57031069 has 4 divisors (see below), whose sum is σ = 58244544. Its totient is φ = 55817596.

The previous prime is 57031067. The next prime is 57031129. The reversal of 57031069 is 96013075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57031069 - 2¹ = 57031067 is a prime.

It is a super-2 number, since 2×57031069² = 6505085662565522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57031069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57031063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606667 + ... + 606760.

It is an arithmetic number, because the mean of its divisors is an integer number (14561136).

Almost surely, 2^57031069 is an apocalyptic number.

It is an amenable number.

57031069 is a deficient number, since it is larger than the sum of its proper divisors (1213475).

57031069 is a wasteful number, since it uses less digits than its factorization.

57031069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213474.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 57031069 is about 7551.8917497538. The cubic root of 57031069 is about 384.9200238667.

The spelling of 57031069 in words is "fifty-seven million, thirty-one thousand, sixty-nine".