55040344 has 16 divisors (see below), whose sum is σ = 105601320. Its totient is φ = 26880000.

The previous prime is 55040309. The next prime is 55040351. The reversal of 55040344 is 44304055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79657 + ... + 80344.

Almost surely, 2^55040344 is an apocalyptic number.

It is an amenable number.

55040344 is a deficient number, since it is larger than the sum of its proper divisors (50560976).

55040344 is a wasteful number, since it uses less digits than its factorization.

55040344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160050 (or 160046 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 55040344 is about 7418.9179804066. The cubic root of 55040344 is about 380.3882089945.

Adding to 55040344 its reverse (44304055), we get a palindrome (99344399).

The spelling of 55040344 in words is "fifty-five million, forty thousand, three hundred forty-four".