55469944 has 16 divisors (see below), whose sum is σ = 104087520. Its totient is φ = 27713280.

The previous prime is 55469941. The next prime is 55469969. The reversal of 55469944 is 44996455.

It is a junction number, because it is equal to n+sod(n) for n = 55469894 and 55469903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55469941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14824 + ... + 18184.

It is an arithmetic number, because the mean of its divisors is an integer number (6505470).

Almost surely, 2^55469944 is an apocalyptic number.

It is an amenable number.

55469944 is a deficient number, since it is larger than the sum of its proper divisors (48617576).

55469944 is a wasteful number, since it uses less digits than its factorization.

55469944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430 (or 5426 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 55469944 is about 7447.8147130551. The cubic root of 55469944 is about 381.3753118842.

The spelling of 55469944 in words is "fifty-five million, four hundred sixty-nine thousand, nine hundred forty-four".