57040553 has 4 divisors (see below), whose sum is σ = 58431828. Its totient is φ = 55649280.

The previous prime is 57040549. The next prime is 57040579. The reversal of 57040553 is 35504075.

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 18003049 + 39037504 = 4243^2 + 6248^2 .

It is a cyclic number.

It is not a de Polignac number, because 57040553 - 2² = 57040549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57040513) 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, 695576 + ... + 695657.

It is an arithmetic number, because the mean of its divisors is an integer number (14607957).

Almost surely, 2^57040553 is an apocalyptic number.

It is an amenable number.

57040553 is a deficient number, since it is larger than the sum of its proper divisors (1391275).

57040553 is a wasteful number, since it uses less digits than its factorization.

57040553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391274.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 57040553 is about 7552.5196457871. The cubic root of 57040553 is about 384.9413594839.

The spelling of 57040553 in words is "fifty-seven million, forty thousand, five hundred fifty-three".