57081799 has 8 divisors (see below), whose sum is σ = 59300640. Its totient is φ = 54902400.

The previous prime is 57081797. The next prime is 57081811. The reversal of 57081799 is 99718075.

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

It is a cyclic number.

It is not a de Polignac number, because 57081799 - 2¹ = 57081797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57081793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6894 + ... + 12715.

It is an arithmetic number, because the mean of its divisors is an integer number (7412580).

Almost surely, 2^57081799 is an apocalyptic number.

57081799 is a deficient number, since it is larger than the sum of its proper divisors (2218841).

57081799 is a wasteful number, since it uses less digits than its factorization.

57081799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19721.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 57081799 is about 7555.2497642368. The cubic root of 57081799 is about 385.0341207742.

It can be divided in two parts, 570 and 81799, that added together give a square (82369 = 287²).

The spelling of 57081799 in words is "fifty-seven million, eighty-one thousand, seven hundred ninety-nine".