57040235 has 8 divisors (see below), whose sum is σ = 78226656. Its totient is φ = 39113280.

The previous prime is 57040201. The next prime is 57040289. The reversal of 57040235 is 53204075.

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

It is not a de Polignac number, because 57040235 - 2¹⁰ = 57039211 is a prime.

It is a Duffinian 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, 814826 + ... + 814895.

It is an arithmetic number, because the mean of its divisors is an integer number (9778332).

Almost surely, 2^57040235 is an apocalyptic number.

57040235 is a deficient number, since it is larger than the sum of its proper divisors (21186421).

57040235 is a wasteful number, since it uses less digits than its factorization.

57040235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629733.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 57040235 is about 7552.4985931809. The cubic root of 57040235 is about 384.9406441356.

It can be divided in two parts, 57040 and 235, that added together give a palindrome (57275).

The spelling of 57040235 in words is "fifty-seven million, forty thousand, two hundred thirty-five".