55664086 has 16 divisors (see below), whose sum is σ = 89860320. Its totient is φ = 25764480.

The previous prime is 55664083. The next prime is 55664087. The reversal of 55664086 is 68046655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55664083) 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, 11346 + ... + 15493.

It is an arithmetic number, because the mean of its divisors is an integer number (5616270).

Almost surely, 2^55664086 is an apocalyptic number.

55664086 is a deficient number, since it is larger than the sum of its proper divisors (34196234).

55664086 is a wasteful number, since it uses less digits than its factorization.

55664086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26919.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 55664086 is about 7460.8368163364. The cubic root of 55664086 is about 381.8197252497.

The spelling of 55664086 in words is "fifty-five million, six hundred sixty-four thousand, eighty-six".