55717732 has 12 divisors (see below), whose sum is σ = 111435520. Its totient is φ = 23879016.

The previous prime is 55717679. The next prime is 55717769. The reversal of 55717732 is 23771755.

55717732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55717732 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55717691 and 55717700.

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, 994932 + ... + 994987.

Almost surely, 2^55717732 is an apocalyptic number.

It is an amenable number.

55717732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55717732 is a wasteful number, since it uses less digits than its factorization.

55717732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989930 (or 1989928 counting only the distinct ones).

The product of its digits is 51450, while the sum is 37.

The square root of 55717732 is about 7464.4311236691. The cubic root of 55717732 is about 381.9423448525.

The spelling of 55717732 in words is "fifty-five million, seven hundred seventeen thousand, seven hundred thirty-two".