64550812 has 6 divisors (see below), whose sum is σ = 112963928. Its totient is φ = 32275404.

The previous prime is 64550807. The next prime is 64550813. The reversal of 64550812 is 21805546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64550813) 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 as a sum of consecutive naturals, namely, 8068848 + ... + 8068855.

Almost surely, 2^64550812 is an apocalyptic number.

It is an amenable number.

64550812 is a deficient number, since it is larger than the sum of its proper divisors (48413116).

64550812 is a wasteful number, since it uses less digits than its factorization.

64550812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16137707 (or 16137705 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 64550812 is about 8034.3519962720. The cubic root of 64550812 is about 401.1442486166.

The spelling of 64550812 in words is "sixty-four million, five hundred fifty thousand, eight hundred twelve".