57256741 has 4 divisors (see below), whose sum is σ = 57668800. Its totient is φ = 56844684.

The previous prime is 57256739. The next prime is 57256753. The reversal of 57256741 is 14765275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57256741 - 2¹ = 57256739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57256741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57256781) 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, 205821 + ... + 206098.

It is an arithmetic number, because the mean of its divisors is an integer number (14417200).

Almost surely, 2^57256741 is an apocalyptic number.

It is an amenable number.

57256741 is a deficient number, since it is larger than the sum of its proper divisors (412059).

57256741 is a wasteful number, since it uses less digits than its factorization.

57256741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412058.

The product of its digits is 58800, while the sum is 37.

The square root of 57256741 is about 7566.8184199173. The cubic root of 57256741 is about 385.4270653122.

The spelling of 57256741 in words is "fifty-seven million, two hundred fifty-six thousand, seven hundred forty-one".