64550845 has 8 divisors (see below), whose sum is σ = 77748480. Its totient is φ = 51449040.

The previous prime is 64550831. The next prime is 64550861. The reversal of 64550845 is 54805546.

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

It is not a de Polignac number, because 64550845 - 2⁵ = 64550813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22465 + ... + 25174.

It is an arithmetic number, because the mean of its divisors is an integer number (9718560).

Almost surely, 2^64550845 is an apocalyptic number.

It is an amenable number.

64550845 is a deficient number, since it is larger than the sum of its proper divisors (13197635).

64550845 is a wasteful number, since it uses less digits than its factorization.

64550845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47915.

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 64550845 is about 8034.3540499532. The cubic root of 64550845 is about 401.1443169749.

The spelling of 64550845 in words is "sixty-four million, five hundred fifty thousand, eight hundred forty-five".