55511732 has 24 divisors (see below), whose sum is σ = 103097736. Its totient is φ = 26062848.

The previous prime is 55511717. The next prime is 55511737. The reversal of 55511732 is 23711555.

It is a happy number.

55511732 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 4 ways, for example, as 1430416 + 54081316 = 1196^2 + 7354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55511695 and 55511704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45158 + ... + 46370.

It is an arithmetic number, because the mean of its divisors is an integer number (4295739).

Almost surely, 2^55511732 is an apocalyptic number.

It is an amenable number.

55511732 is a deficient number, since it is larger than the sum of its proper divisors (47586004).

55511732 is a wasteful number, since it uses less digits than its factorization.

55511732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1905 counting only the distinct ones).

The product of its digits is 5250, while the sum is 29.

The square root of 55511732 is about 7450.6195715524. The cubic root of 55511732 is about 381.4710568953.

The spelling of 55511732 in words is "fifty-five million, five hundred eleven thousand, seven hundred thirty-two".