55426722 has 16 divisors (see below), whose sum is σ = 119380800. Its totient is φ = 17054352.

The previous prime is 55426717. The next prime is 55426733. The reversal of 55426722 is 22762455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355222 + ... + 355377.

It is an arithmetic number, because the mean of its divisors is an integer number (7461300).

Almost surely, 2^55426722 is an apocalyptic number.

55426722 is an abundant number, since it is smaller than the sum of its proper divisors (63954078).

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

55426722 is a wasteful number, since it uses less digits than its factorization.

55426722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710617.

The product of its digits is 33600, while the sum is 33.

The square root of 55426722 is about 7444.9124910908. The cubic root of 55426722 is about 381.2762306775.

The spelling of 55426722 in words is "fifty-five million, four hundred twenty-six thousand, seven hundred twenty-two".