57265989 has 8 divisors (see below), whose sum is σ = 83296032. Its totient is φ = 34706640.

The previous prime is 57265963. The next prime is 57265991. The reversal of 57265989 is 98956275.

It is a happy number.

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

It is not a de Polignac number, because 57265989 - 2⁹ = 57265477 is a prime.

It is a super-2 number, since 2×57265989² = 6558786992296242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57265489) 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, 867634 + ... + 867699.

It is an arithmetic number, because the mean of its divisors is an integer number (10412004).

Almost surely, 2^57265989 is an apocalyptic number.

It is an amenable number.

57265989 is a deficient number, since it is larger than the sum of its proper divisors (26030043).

57265989 is a wasteful number, since it uses less digits than its factorization.

57265989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735347.

The product of its digits is 1360800, while the sum is 51.

The square root of 57265989 is about 7567.4294843097. The cubic root of 57265989 is about 385.4478153441.

The spelling of 57265989 in words is "fifty-seven million, two hundred sixty-five thousand, nine hundred eighty-nine".