55888550 has 24 divisors (see below), whose sum is σ = 105276000. Its totient is φ = 22070880.

The previous prime is 55888549. The next prime is 55888577. The reversal of 55888550 is 5588855.

55888550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55888550² = 6247060042205000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3125 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (4386500).

Almost surely, 2^55888550 is an apocalyptic number.

55888550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55888550 is a deficient number, since it is larger than the sum of its proper divisors (49387450).

55888550 is a wasteful number, since it uses less digits than its factorization.

55888550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14240 (or 14235 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 44.

The square root of 55888550 is about 7475.8644985045. The cubic root of 55888550 is about 382.3322630191.

The spelling of 55888550 in words is "fifty-five million, eight hundred eighty-eight thousand, five hundred fifty".