57105969 has 4 divisors (see below), whose sum is σ = 76141296. Its totient is φ = 38070644.

The previous prime is 57105967. The next prime is 57105977. The reversal of 57105969 is 96950175.

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 57105969 - 2¹ = 57105967 is a prime.

It is a super-2 number, since 2×57105969² = 6522183390857922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57105969.

It is not an unprimeable number, because it can be changed into a prime (57105967) 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, 9517659 + ... + 9517664.

It is an arithmetic number, because the mean of its divisors is an integer number (19035324).

Almost surely, 2^57105969 is an apocalyptic number.

It is an amenable number.

57105969 is a deficient number, since it is larger than the sum of its proper divisors (19035327).

57105969 is a wasteful number, since it uses less digits than its factorization.

57105969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19035326.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 57105969 is about 7556.8491449810. The cubic root of 57105969 is about 385.0884577763.

The spelling of 57105969 in words is "fifty-seven million, one hundred five thousand, nine hundred sixty-nine".