55650886 has 16 divisors (see below), whose sum is σ = 90246960. Its totient is φ = 25647840.

The previous prime is 55650863. The next prime is 55650887. The reversal of 55650886 is 68805655.

It is a super-3 number, since 3×55650886³ (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 not an unprimeable number, because it can be changed into a prime (55650887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18385 + ... + 21196.

It is an arithmetic number, because the mean of its divisors is an integer number (5640435).

Almost surely, 2^55650886 is an apocalyptic number.

55650886 is a deficient number, since it is larger than the sum of its proper divisors (34596074).

55650886 is a wasteful number, since it uses less digits than its factorization.

55650886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39639.

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 55650886 is about 7459.9521446186. The cubic root of 55650886 is about 381.7895417018.

The spelling of 55650886 in words is "fifty-five million, six hundred fifty thousand, eight hundred eighty-six".