55440124 has 12 divisors (see below), whose sum is σ = 97927704. Its totient is φ = 27460784.

The previous prime is 55440079. The next prime is 55440139. The reversal of 55440124 is 42104455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 64339 + ... + 65194.

It is an arithmetic number, because the mean of its divisors is an integer number (8160642).

Almost surely, 2^55440124 is an apocalyptic number.

It is an amenable number.

55440124 is a deficient number, since it is larger than the sum of its proper divisors (42487580).

55440124 is a wasteful number, since it uses less digits than its factorization.

55440124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129644 (or 129642 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 55440124 is about 7445.8125144272. The cubic root of 55440124 is about 381.3069586493.

Adding to 55440124 its reverse (42104455), we get a palindrome (97544579).

The spelling of 55440124 in words is "fifty-five million, four hundred forty thousand, one hundred twenty-four".