55712789 has 8 divisors (see below), whose sum is σ = 60848832. Its totient is φ = 50588640.

The previous prime is 55712779. The next prime is 55712801. The reversal of 55712789 is 98721755.

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

It is a cyclic number.

It is not a de Polignac number, because 55712789 - 2⁴ = 55712773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712749) 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, 8912 + ... + 13814.

It is an arithmetic number, because the mean of its divisors is an integer number (7606104).

Almost surely, 2^55712789 is an apocalyptic number.

It is an amenable number.

55712789 is a deficient number, since it is larger than the sum of its proper divisors (5136043).

55712789 is a wasteful number, since it uses less digits than its factorization.

55712789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947.

The product of its digits is 176400, while the sum is 44.

The square root of 55712789 is about 7464.1000127276. The cubic root of 55712789 is about 381.9310498435.

The spelling of 55712789 in words is "fifty-five million, seven hundred twelve thousand, seven hundred eighty-nine".