57645506 has 8 divisors (see below), whose sum is σ = 91019280. Its totient is φ = 27305748.

The previous prime is 57645493. The next prime is 57645517. The reversal of 57645506 is 60554675.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1516987 = 57645506 / (5 + 7 + 6 + 4 + 5 + 5 + 0 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 57645506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758456 + ... + 758531.

It is an arithmetic number, because the mean of its divisors is an integer number (11377410).

Almost surely, 2^57645506 is an apocalyptic number.

57645506 is a deficient number, since it is larger than the sum of its proper divisors (33373774).

57645506 is a wasteful number, since it uses less digits than its factorization.

57645506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517008.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 57645506 is about 7592.4637634960. The cubic root of 57645506 is about 386.2974297562.

The spelling of 57645506 in words is "fifty-seven million, six hundred forty-five thousand, five hundred six".