64550650 has 24 divisors (see below), whose sum is σ = 125286624. Its totient is φ = 24697200.

The previous prime is 64550621. The next prime is 64550653. The reversal of 64550650 is 5605546.

It is not an unprimeable number, because it can be changed into a prime (64550653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26916 + ... + 29215.

It is an arithmetic number, because the mean of its divisors is an integer number (5220276).

Almost surely, 2^64550650 is an apocalyptic number.

64550650 is a deficient number, since it is larger than the sum of its proper divisors (60735974).

64550650 is a wasteful number, since it uses less digits than its factorization.

64550650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56166 (or 56161 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 64550650 is about 8034.3419145565. The cubic root of 64550650 is about 401.1439130390.

The spelling of 64550650 in words is "sixty-four million, five hundred fifty thousand, six hundred fifty".