57068461 has 4 divisors (see below), whose sum is σ = 57162172. Its totient is φ = 56974752.

The previous prime is 57068449. The next prime is 57068471. The reversal of 57068461 is 16486075.

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 5731236 + 51337225 = 2394^2 + 7165^2 .

It is a cyclic number.

It is not a de Polignac number, because 57068461 - 2²³ = 48679853 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 57068461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57068411) 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, 45936 + ... + 47161.

It is an arithmetic number, because the mean of its divisors is an integer number (14290543).

Almost surely, 2^57068461 is an apocalyptic number.

It is an amenable number.

57068461 is a deficient number, since it is larger than the sum of its proper divisors (93711).

57068461 is an equidigital number, since it uses as much as digits as its factorization.

57068461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93710.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 57068461 is about 7554.3670151774. The cubic root of 57068461 is about 385.0041288139.

The spelling of 57068461 in words is "fifty-seven million, sixty-eight thousand, four hundred sixty-one".