55317044 has 6 divisors (see below), whose sum is σ = 96804834. Its totient is φ = 27658520.

The previous prime is 55316983. The next prime is 55317061. The reversal of 55317044 is 44071355.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 16728100 = 6212^2 + 4090^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55316998 and 55317016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914627 + ... + 6914634.

It is an arithmetic number, because the mean of its divisors is an integer number (16134139).

Almost surely, 2^55317044 is an apocalyptic number.

It is an amenable number.

55317044 is a deficient number, since it is larger than the sum of its proper divisors (41487790).

55317044 is a wasteful number, since it uses less digits than its factorization.

55317044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829265 (or 13829263 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55317044 is about 7437.5428738260. The cubic root of 55317044 is about 381.0245757232.

Adding to 55317044 its reverse (44071355), we get a palindrome (99388399).

The spelling of 55317044 in words is "fifty-five million, three hundred seventeen thousand, forty-four".