57734561 has 4 divisors (see below), whose sum is σ = 57759300. Its totient is φ = 57709824.

The previous prime is 57734557. The next prime is 57734587. The reversal of 57734561 is 16543775.

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 44302336 + 13432225 = 6656^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 57734561 - 2² = 57734557 is a prime.

It is a super-4 number, since 4×57734561⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57734591) 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, 8456 + ... + 13673.

It is an arithmetic number, because the mean of its divisors is an integer number (14439825).

Almost surely, 2^57734561 is an apocalyptic number.

It is an amenable number.

57734561 is a deficient number, since it is larger than the sum of its proper divisors (24739).

57734561 is a wasteful number, since it uses less digits than its factorization.

57734561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24738.

The product of its digits is 88200, while the sum is 38.

The square root of 57734561 is about 7598.3261972621. The cubic root of 57734561 is about 386.4962542599.

The spelling of 57734561 in words is "fifty-seven million, seven hundred thirty-four thousand, five hundred sixty-one".