55742044 has 12 divisors (see below), whose sum is σ = 99148168. Its totient is φ = 27414000.

The previous prime is 55742023. The next prime is 55742051. The reversal of 55742044 is 44024755.

55742044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55741997 and 55742015.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 113982 + ... + 114469.

Almost surely, 2^55742044 is an apocalyptic number.

It is an amenable number.

55742044 is a deficient number, since it is larger than the sum of its proper divisors (43406124).

55742044 is a wasteful number, since it uses less digits than its factorization.

55742044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228516 (or 228514 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 55742044 is about 7466.0594693587. The cubic root of 55742044 is about 381.9978893006.

Adding to 55742044 its reverse (44024755), we get a palindrome (99766799).

The spelling of 55742044 in words is "fifty-five million, seven hundred forty-two thousand, forty-four".