55664334 has 40 divisors (see below), whose sum is σ = 136072728. Its totient is φ = 16867440.

The previous prime is 55664327. The next prime is 55664339. The reversal of 55664334 is 43346655.

55664334 is a `hidden beast` number, since 5 + 5 + 6 + 643 + 3 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55664339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13837 + ... + 17400.

Almost surely, 2^55664334 is an apocalyptic number.

55664334 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55664334 is an abundant number, since it is smaller than the sum of its proper divisors (80408394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55664334 is a wasteful number, since it uses less digits than its factorization.

55664334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31262 (or 31253 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 55664334 is about 7460.8534364374. The cubic root of 55664334 is about 381.8202922889.

The spelling of 55664334 in words is "fifty-five million, six hundred sixty-four thousand, three hundred thirty-four".