55722008 has 16 divisors (see below), whose sum is σ = 109021680. Its totient is φ = 26649568.

The previous prime is 55721959. The next prime is 55722047. The reversal of 55722008 is 80022755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151235 + ... + 151602.

It is an arithmetic number, because the mean of its divisors is an integer number (6813855).

Almost surely, 2^55722008 is an apocalyptic number.

It is an amenable number.

55722008 is a deficient number, since it is larger than the sum of its proper divisors (53299672).

55722008 is a wasteful number, since it uses less digits than its factorization.

55722008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302866 (or 302862 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 55722008 is about 7464.7175432162. The cubic root of 55722008 is about 381.9521151933.

The spelling of 55722008 in words is "fifty-five million, seven hundred twenty-two thousand, eight".