57725771 has 4 divisors (see below), whose sum is σ = 57741312. Its totient is φ = 57710232.

The previous prime is 57725749. The next prime is 57725803. The reversal of 57725771 is 17752775.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57725771 - 2¹⁴ = 57709387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57725471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 10841.

It is an arithmetic number, because the mean of its divisors is an integer number (14435328).

Almost surely, 2^57725771 is an apocalyptic number.

57725771 is a deficient number, since it is larger than the sum of its proper divisors (15541).

57725771 is an equidigital number, since it uses as much as digits as its factorization.

57725771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540.

The product of its digits is 120050, while the sum is 41.

The square root of 57725771 is about 7597.7477583821. The cubic root of 57725771 is about 386.4766387734.

The spelling of 57725771 in words is "fifty-seven million, seven hundred twenty-five thousand, seven hundred seventy-one".