55789994 has 8 divisors (see below), whose sum is σ = 90122340. Its totient is φ = 25749216.

The previous prime is 55789967. The next prime is 55790003. The reversal of 55789994 is 49998755.

55789994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45064369 + 10725625 = 6713^2 + 3275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55789994² = 6225046861040072, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1072859 + ... + 1072910.

Almost surely, 2^55789994 is an apocalyptic number.

55789994 is a deficient number, since it is larger than the sum of its proper divisors (34332346).

55789994 is a wasteful number, since it uses less digits than its factorization.

55789994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145784.

The product of its digits is 4082400, while the sum is 56.

The square root of 55789994 is about 7469.2699777154. The cubic root of 55789994 is about 382.1073910212.

The spelling of 55789994 in words is "fifty-five million, seven hundred eighty-nine thousand, nine hundred ninety-four".