55344972 has 12 divisors (see below), whose sum is σ = 129138296. Its totient is φ = 18448320.

The previous prime is 55344953. The next prime is 55344977. The reversal of 55344972 is 27944355.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 55344972.

It is not an unprimeable number, because it can be changed into a prime (55344977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2306029 + ... + 2306052.

Almost surely, 2^55344972 is an apocalyptic number.

It is an amenable number.

55344972 is an abundant number, since it is smaller than the sum of its proper divisors (73793324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55344972 is a wasteful number, since it uses less digits than its factorization.

55344972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612088 (or 4612086 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 55344972 is about 7439.4201386936. The cubic root of 55344972 is about 381.0886877536.

The spelling of 55344972 in words is "fifty-five million, three hundred forty-four thousand, nine hundred seventy-two".