57201745 has 8 divisors (see below), whose sum is σ = 68817384. Its totient is φ = 45644544.

The previous prime is 57201737. The next prime is 57201751. The reversal of 57201745 is 54710275.

It can be written as a sum of positive squares in 4 ways, for example, as 24127744 + 33074001 = 4912^2 + 5751^2 .

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 57201745 - 2³ = 57201737 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, 12424 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (8602173).

Almost surely, 2^57201745 is an apocalyptic number.

It is an amenable number.

57201745 is a deficient number, since it is larger than the sum of its proper divisors (11615639).

57201745 is a wasteful number, since it uses less digits than its factorization.

57201745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29219.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 57201745 is about 7563.1835228295. The cubic root of 57201745 is about 385.3036228621.

The spelling of 57201745 in words is "fifty-seven million, two hundred one thousand, seven hundred forty-five".