55050556 has 24 divisors (see below), whose sum is σ = 111280176. Its totient is φ = 23550720.

The previous prime is 55050547. The next prime is 55050557. The reversal of 55050556 is 65505055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050557) 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, 36051 + ... + 37546.

It is an arithmetic number, because the mean of its divisors is an integer number (4636674).

Almost surely, 2^55050556 is an apocalyptic number.

It is an amenable number.

55050556 is an abundant number, since it is smaller than the sum of its proper divisors (56229620).

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

55050556 is a wasteful number, since it uses less digits than its factorization.

55050556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73629 (or 73627 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 55050556 is about 7419.6061890103. The cubic root of 55050556 is about 380.4117328553.

The spelling of 55050556 in words is "fifty-five million, fifty thousand, five hundred fifty-six".