57235641 has 8 divisors (see below), whose sum is σ = 78776064. Its totient is φ = 36926160.

The previous prime is 57235637. The next prime is 57235643. The reversal of 57235641 is 14653275.

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

It is not a de Polignac number, because 57235641 - 2² = 57235637 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57235643) 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, 307626 + ... + 307811.

It is an arithmetic number, because the mean of its divisors is an integer number (9847008).

Almost surely, 2^57235641 is an apocalyptic number.

It is an amenable number.

57235641 is a deficient number, since it is larger than the sum of its proper divisors (21540423).

57235641 is a wasteful number, since it uses less digits than its factorization.

57235641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615471.

The product of its digits is 25200, while the sum is 33.

The square root of 57235641 is about 7565.4240462779. The cubic root of 57235641 is about 385.3797142048.

The spelling of 57235641 in words is "fifty-seven million, two hundred thirty-five thousand, six hundred forty-one".