55995922 has 4 divisors (see below), whose sum is σ = 83993886. Its totient is φ = 27997960.

The previous prime is 55995913. The next prime is 55995923. The reversal of 55995922 is 22959955.

It is a happy number.

55995922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22959955 = 5 ⋅4591991.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 776161 = 7431^2 + 881^2 .

It is not an unprimeable number, because it can be changed into a prime (55995923) by changing a digit.

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 as a sum of consecutive naturals, namely, 13998979 + ... + 13998982.

Almost surely, 2^55995922 is an apocalyptic number.

55995922 is a deficient number, since it is larger than the sum of its proper divisors (27997964).

55995922 is a wasteful number, since it uses less digits than its factorization.

55995922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27997963.

The product of its digits is 364500, while the sum is 46.

The square root of 55995922 is about 7483.0422957511. The cubic root of 55995922 is about 382.5769495036.

The spelling of 55995922 in words is "fifty-five million, nine hundred ninety-five thousand, nine hundred twenty-two".