57628461 has 8 divisors (see below), whose sum is σ = 83823264. Its totient is φ = 34926320.

The previous prime is 57628457. The next prime is 57628489. The reversal of 57628461 is 16482675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57628461 - 2² = 57628457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57628451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873126 + ... + 873191.

It is an arithmetic number, because the mean of its divisors is an integer number (10477908).

Almost surely, 2^57628461 is an apocalyptic number.

It is an amenable number.

57628461 is a deficient number, since it is larger than the sum of its proper divisors (26194803).

57628461 is a wasteful number, since it uses less digits than its factorization.

57628461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746331.

The product of its digits is 80640, while the sum is 39.

The square root of 57628461 is about 7591.3411858512. The cubic root of 57628461 is about 386.2593516865.

The spelling of 57628461 in words is "fifty-seven million, six hundred twenty-eight thousand, four hundred sixty-one".