57023805 has 32 divisors (see below), whose sum is σ = 94026240. Its totient is φ = 29494080.

The previous prime is 57023803. The next prime is 57023819. The reversal of 57023805 is 50832075.

It is a happy number.

It is not a de Polignac number, because 57023805 - 2¹ = 57023803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57023801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135886 + ... + 136304.

It is an arithmetic number, because the mean of its divisors is an integer number (2938320).

Almost surely, 2^57023805 is an apocalyptic number.

It is an amenable number.

57023805 is a deficient number, since it is larger than the sum of its proper divisors (37002435).

57023805 is a wasteful number, since it uses less digits than its factorization.

57023805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57023805 is about 7551.4107953415. The cubic root of 57023805 is about 384.9036808580.

The spelling of 57023805 in words is "fifty-seven million, twenty-three thousand, eight hundred five".