57381745 has 8 divisors (see below), whose sum is σ = 68898816. Its totient is φ = 45878256.

The previous prime is 57381743. The next prime is 57381781. The reversal of 57381745 is 54718375.

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 57381745 - 2¹ = 57381743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57381698 and 57381707.

It is not an unprimeable number, because it can be changed into a prime (57381743) 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, 14224 + ... + 17806.

It is an arithmetic number, because the mean of its divisors is an integer number (8612352).

Almost surely, 2^57381745 is an apocalyptic number.

It is an amenable number.

57381745 is a deficient number, since it is larger than the sum of its proper divisors (11517071).

57381745 is a wasteful number, since it uses less digits than its factorization.

57381745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791.

The product of its digits is 117600, while the sum is 40.

The square root of 57381745 is about 7575.0739270320. The cubic root of 57381745 is about 385.7073519885.

The spelling of 57381745 in words is "fifty-seven million, three hundred eighty-one thousand, seven hundred forty-five".