57015965 has 8 divisors (see below), whose sum is σ = 71394048. Its totient is φ = 43629520.

The previous prime is 57015947. The next prime is 57015991. The reversal of 57015965 is 56951075.

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

It is not a de Polignac number, because 57015965 - 2⁶ = 57015901 is a prime.

It is a super-3 number, since 3×57015965³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247781 + ... + 248010.

It is an arithmetic number, because the mean of its divisors is an integer number (8924256).

Almost surely, 2^57015965 is an apocalyptic number.

It is an amenable number.

57015965 is a deficient number, since it is larger than the sum of its proper divisors (14378083).

57015965 is a wasteful number, since it uses less digits than its factorization.

57015965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495819.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 57015965 is about 7550.8916692004. The cubic root of 57015965 is about 384.8860403704.

The spelling of 57015965 in words is "fifty-seven million, fifteen thousand, nine hundred sixty-five".