57664355 has 8 divisors (see below), whose sum is σ = 79082592. Its totient is φ = 39541248.

The previous prime is 57664351. The next prime is 57664361. The reversal of 57664355 is 55346675.

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

It is a cyclic number.

It is not a de Polignac number, because 57664355 - 2² = 57664351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57664351) 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, 823742 + ... + 823811.

It is an arithmetic number, because the mean of its divisors is an integer number (9885324).

Almost surely, 2^57664355 is an apocalyptic number.

57664355 is a deficient number, since it is larger than the sum of its proper divisors (21418237).

57664355 is a wasteful number, since it uses less digits than its factorization.

57664355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647565.

The product of its digits is 378000, while the sum is 41.

The square root of 57664355 is about 7593.7049587142. The cubic root of 57664355 is about 386.3395291743.

The spelling of 57664355 in words is "fifty-seven million, six hundred sixty-four thousand, three hundred fifty-five".