55099056 has 20 divisors (see below), whose sum is σ = 142339352. Its totient is φ = 18366336.

The previous prime is 55099021. The next prime is 55099061. The reversal of 55099056 is 65099055.

55099056 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 2×55099056² = 6071811944182272, which contains 22 as substring.

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, 573901 + ... + 573996.

Almost surely, 2^55099056 is an apocalyptic number.

It is an amenable number.

55099056 is an abundant number, since it is smaller than the sum of its proper divisors (87240296).

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

55099056 is a wasteful number, since it uses less digits than its factorization.

55099056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147908 (or 1147902 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 55099056 is about 7422.8738369987. The cubic root of 55099056 is about 380.5234153694.

Subtracting 55099056 from its reverse (65099055), we obtain a palindrome (9999999).

The spelling of 55099056 in words is "fifty-five million, ninety-nine thousand, fifty-six".