64057655 has 8 divisors (see below), whose sum is σ = 78319872. Its totient is φ = 50279008.

The previous prime is 64057627. The next prime is 64057667. The reversal of 64057655 is 55675046.

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 64057655 - 2²⁴ = 47280439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120599 + ... + 121128.

It is an arithmetic number, because the mean of its divisors is an integer number (9789984).

Almost surely, 2^64057655 is an apocalyptic number.

64057655 is a deficient number, since it is larger than the sum of its proper divisors (14262217).

64057655 is a wasteful number, since it uses less digits than its factorization.

64057655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241785.

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

The square root of 64057655 is about 8003.6026263177. The cubic root of 64057655 is about 400.1200785326.

The spelling of 64057655 in words is "sixty-four million, fifty-seven thousand, six hundred fifty-five".