57643451 has 8 divisors (see below), whose sum is σ = 60704160. Its totient is φ = 54628992.

The previous prime is 57643441. The next prime is 57643457. The reversal of 57643451 is 15434675.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57643451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57643457) 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, 8990 + ... + 14003.

It is an arithmetic number, because the mean of its divisors is an integer number (7588020).

Almost surely, 2^57643451 is an apocalyptic number.

57643451 is a deficient number, since it is larger than the sum of its proper divisors (3060709).

57643451 is a wasteful number, since it uses less digits than its factorization.

57643451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23125.

The product of its digits is 50400, while the sum is 35.

The square root of 57643451 is about 7592.3284307253. The cubic root of 57643451 is about 386.2928393396.

The spelling of 57643451 in words is "fifty-seven million, six hundred forty-three thousand, four hundred fifty-one".