55672344 has 192 divisors, whose sum is σ = 192628800. Its totient is φ = 14128128.

The previous prime is 55672319. The next prime is 55672361. The reversal of 55672344 is 44327655.

55672344 is a `hidden beast` number, since 556 + 72 + 34 + 4 = 666.

55672344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55672299 and 55672308.

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 47 ways as a sum of consecutive naturals, for example, 189862 + ... + 190154.

It is an arithmetic number, because the mean of its divisors is an integer number (1003275).

Almost surely, 2^55672344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55672344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96314400).

55672344 is an abundant number, since it is smaller than the sum of its proper divisors (136956456).

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

55672344 is a wasteful number, since it uses less digits than its factorization.

55672344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 347 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55672344 is about 7461.3902189873. The cubic root of 55672344 is about 381.8386058339.

Adding to 55672344 its reverse (44327655), we get a palindrome (99999999).

It can be divided in two parts, 556 and 72344, that added together give a square (72900 = 270²).

The spelling of 55672344 in words is "fifty-five million, six hundred seventy-two thousand, three hundred forty-four".