55992556 has 12 divisors (see below), whose sum is σ = 98040600.
Its totient is φ = 27980960.
The previous prime is 55992527. The next prime is 55992569. The reversal of 55992556 is 65529955.
It is a happy number.
55992556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 3 ways as a sum of consecutive naturals, for example, 9720 + ... + 14368.
It is an arithmetic number, because the mean of its divisors is an integer number (8170050).
Almost surely, 255992556 is an apocalyptic number.
It is an amenable number.
55992556 is a deficient number, since it is larger than the sum of its proper divisors (42048044).
55992556 is a wasteful number, since it uses less digits than its factorization.
55992556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7664 (or 7662 counting only the distinct ones).
The product of its digits is 607500, while the sum is 46.
The square root of 55992556 is about 7482.8173838468.
The cubic root of 55992556 is about 382.5692835893.
The spelling of 55992556 in words is "fifty-five million, nine hundred ninety-two thousand, five hundred fifty-six".