55195944 has 32 divisors (see below), whose sum is σ = 138723840. Its totient is φ = 18300800.

The previous prime is 55195939. The next prime is 55195951. The reversal of 55195944 is 44959155.

It is a super-2 number, since 2×55195944² = 6093184468102272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55195896 and 55195905.

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, 1437 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (4335120).

Almost surely, 2^55195944 is an apocalyptic number.

It is an amenable number.

55195944 is an abundant number, since it is smaller than the sum of its proper divisors (83527896).

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

55195944 is a wasteful number, since it uses less digits than its factorization.

55195944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241 (or 12237 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The square root of 55195944 is about 7429.3972837640. The cubic root of 55195944 is about 380.7463264099.

The spelling of 55195944 in words is "fifty-five million, one hundred ninety-five thousand, nine hundred forty-four".