64550229 has 8 divisors (see below), whose sum is σ = 86233632. Its totient is φ = 42950160.

The previous prime is 64550221. The next prime is 64550231. The reversal of 64550229 is 92205546.

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

It is not a de Polignac number, because 64550229 - 2³ = 64550221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64550229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64550221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19002 + ... + 22139.

It is an arithmetic number, because the mean of its divisors is an integer number (10779204).

Almost surely, 2^64550229 is an apocalyptic number.

It is an amenable number.

64550229 is a deficient number, since it is larger than the sum of its proper divisors (21683403).

64550229 is a wasteful number, since it uses less digits than its factorization.

64550229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41667.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 64550229 is about 8034.3157144837. The cubic root of 64550229 is about 401.1430409488.

The spelling of 64550229 in words is "sixty-four million, five hundred fifty thousand, two hundred twenty-nine".