55789872 has 40 divisors (see below), whose sum is σ = 144562176. Its totient is φ = 18540096.

The previous prime is 55789859. The next prime is 55789873. The reversal of 55789872 is 27898755.

It is a super-2 number, since 2×55789872² = 6225019635552768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55789873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16033 + ... + 19199.

Almost surely, 2^55789872 is an apocalyptic number.

It is an amenable number.

55789872 is an abundant number, since it is smaller than the sum of its proper divisors (88772304).

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

55789872 is a wasteful number, since it uses less digits than its factorization.

55789872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3539 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 51.

The square root of 55789872 is about 7469.2618109155. The cubic root of 55789872 is about 382.1071124938.

The spelling of 55789872 in words is "fifty-five million, seven hundred eighty-nine thousand, eight hundred seventy-two".