55722336 has 48 divisors (see below), whose sum is σ = 146893824. Its totient is φ = 18495104.

The previous prime is 55722323. The next prime is 55722347. The reversal of 55722336 is 63322755.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 55722297 and 55722306.

It is a congruent number.

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, 24145 + ... + 26351.

It is an arithmetic number, because the mean of its divisors is an integer number (3060288).

Almost surely, 2^55722336 is an apocalyptic number.

It is an amenable number.

55722336 is an abundant number, since it is smaller than the sum of its proper divisors (91171488).

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

55722336 is a wasteful number, since it uses less digits than its factorization.

55722336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2475 counting only the distinct ones).

The product of its digits is 37800, while the sum is 33.

The square root of 55722336 is about 7464.7395132047. The cubic root of 55722336 is about 381.9528646281.

The spelling of 55722336 in words is "fifty-five million, seven hundred twenty-two thousand, three hundred thirty-six".