55322156 has 24 divisors (see below), whose sum is σ = 98494704. Its totient is φ = 27184640.

The previous prime is 55322147. The next prime is 55322171. The reversal of 55322156 is 65122355.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92996 + ... + 93588.

It is an arithmetic number, because the mean of its divisors is an integer number (4103946).

Almost surely, 2^55322156 is an apocalyptic number.

It is an amenable number.

55322156 is a deficient number, since it is larger than the sum of its proper divisors (43172548).

55322156 is a wasteful number, since it uses less digits than its factorization.

55322156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 55322156 is about 7437.8865277712. The cubic root of 55322156 is about 381.0363125376.

The spelling of 55322156 in words is "fifty-five million, three hundred twenty-two thousand, one hundred fifty-six".