55099216 has 40 divisors (see below), whose sum is σ = 110505824. Its totient is φ = 26593920.

The previous prime is 55099207. The next prime is 55099229. The reversal of 55099216 is 61299055.

55099216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 7 ways as a sum of consecutive naturals, for example, 96211 + ... + 96781.

Almost surely, 2^55099216 is an apocalyptic number.

It is an amenable number.

55099216 is an abundant number, since it is smaller than the sum of its proper divisors (55406608).

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

55099216 is a wasteful number, since it uses less digits than its factorization.

55099216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 55099216 is about 7422.8846144878. The cubic root of 55099216 is about 380.5237836981.

It can be divided in two parts, 5 and 5099216, that added together give a triangular number (5099221 = T₃₁₉₃).

The spelling of 55099216 in words is "fifty-five million, ninety-nine thousand, two hundred sixteen".