57340277 has 4 divisors (see below), whose sum is σ = 57357996. Its totient is φ = 57322560.

The previous prime is 57340267. The next prime is 57340307. The reversal of 57340277 is 77204375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56761156 + 579121 = 7534^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 57340277 - 2⁸ = 57340021 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 (57340237) 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, 2468 + ... + 10989.

It is an arithmetic number, because the mean of its divisors is an integer number (14339499).

Almost surely, 2^57340277 is an apocalyptic number.

It is an amenable number.

57340277 is a deficient number, since it is larger than the sum of its proper divisors (17719).

57340277 is a wasteful number, since it uses less digits than its factorization.

57340277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17718.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 57340277 is about 7572.3362973392. The cubic root of 57340277 is about 385.6144167008.

The spelling of 57340277 in words is "fifty-seven million, three hundred forty thousand, two hundred seventy-seven".