55543672 has 16 divisors (see below), whose sum is σ = 105852600. Its totient is φ = 27316320.

The previous prime is 55543639. The next prime is 55543673. The reversal of 55543672 is 27634555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55543673) 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, 56422 + ... + 57397.

Almost surely, 2^55543672 is an apocalyptic number.

It is an amenable number.

55543672 is a deficient number, since it is larger than the sum of its proper divisors (50308928).

55543672 is a wasteful number, since it uses less digits than its factorization.

55543672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113886 (or 113882 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 55543672 is about 7452.7627092240. The cubic root of 55543672 is about 381.5442056938.

The spelling of 55543672 in words is "fifty-five million, five hundred forty-three thousand, six hundred seventy-two".