55956366 has 16 divisors (see below), whose sum is σ = 124347600. Its totient is φ = 18652104.

The previous prime is 55956343. The next prime is 55956371. The reversal of 55956366 is 66365955.

55956366 is a `hidden beast` number, since 5 + 5 + 9 + 5 + 636 + 6 = 666.

It is a super-3 number, since 3×55956366³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518061 + ... + 518168.

It is an arithmetic number, because the mean of its divisors is an integer number (7771725).

Almost surely, 2^55956366 is an apocalyptic number.

55956366 is an abundant number, since it is smaller than the sum of its proper divisors (68391234).

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

55956366 is a wasteful number, since it uses less digits than its factorization.

55956366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036240 (or 1036234 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The square root of 55956366 is about 7480.3987861611. The cubic root of 55956366 is about 382.4868430692.

The spelling of 55956366 in words is "fifty-five million, nine hundred fifty-six thousand, three hundred sixty-six".