57740081 has 6 divisors (see below), whose sum is σ = 67167090. Its totient is φ = 49491456.

The previous prime is 57740071. The next prime is 57740087. The reversal of 57740081 is 18004775.

It can be written as a sum of positive squares in only one way, i.e., 55368481 + 2371600 = 7441^2 + 1540^2 .

It is not a de Polignac number, because 57740081 - 2¹⁴ = 57723697 is a prime.

It is a super-2 number, since 2×57740081² = 6667833907773122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57740087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589136 + ... + 589233.

It is an arithmetic number, because the mean of its divisors is an integer number (11194515).

Almost surely, 2^57740081 is an apocalyptic number.

It is an amenable number.

57740081 is a deficient number, since it is larger than the sum of its proper divisors (9427009).

57740081 is a wasteful number, since it uses less digits than its factorization.

57740081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178383 (or 1178376 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 57740081 is about 7598.6894264735. The cubic root of 57740081 is about 386.5085714999.

The spelling of 57740081 in words is "fifty-seven million, seven hundred forty thousand, eighty-one".