55552552 has 24 divisors (see below), whose sum is σ = 114493050. Its totient is φ = 25250720.

The previous prime is 55552547. The next prime is 55552573. The reversal of 55552552 is 25525555.

55552552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42693156 + 12859396 = 6534^2 + 3586^2 .

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 5 ways as a sum of consecutive naturals, for example, 27727 + ... + 29662.

Almost surely, 2^55552552 is an apocalyptic number.

It is an amenable number.

55552552 is an abundant number, since it is smaller than the sum of its proper divisors (58940498).

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

55552552 is a wasteful number, since it uses less digits than its factorization.

55552552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57417 (or 57402 counting only the distinct ones).

The product of its digits is 62500, while the sum is 34.

The square root of 55552552 is about 7453.3584376441. The cubic root of 55552552 is about 381.5645376349.

The spelling of 55552552 in words is "fifty-five million, five hundred fifty-two thousand, five hundred fifty-two".