55344031 has 4 divisors (see below), whose sum is σ = 56388312. Its totient is φ = 54299752.

The previous prime is 55344013. The next prime is 55344041. The reversal of 55344031 is 13044355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55344031 - 2¹⁷ = 55212959 is a prime.

It is a super-2 number, since 2×55344031² = 6125923534657922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55343987 and 55344005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55344011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522061 + ... + 522166.

It is an arithmetic number, because the mean of its divisors is an integer number (14097078).

Almost surely, 2^55344031 is an apocalyptic number.

55344031 is a deficient number, since it is larger than the sum of its proper divisors (1044281).

55344031 is a wasteful number, since it uses less digits than its factorization.

55344031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044280.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55344031 is about 7439.3568942483. The cubic root of 55344031 is about 381.0865279279.

Adding to 55344031 its reverse (13044355), we get a palindrome (68388386).

The spelling of 55344031 in words is "fifty-five million, three hundred forty-four thousand, thirty-one".