55911132 has 36 divisors (see below), whose sum is σ = 141859536. Its totient is φ = 18567360.

The previous prime is 55911127. The next prime is 55911133. The reversal of 55911132 is 23111955.

55911132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 55911096 and 55911105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55911133) 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 11 ways as a sum of consecutive naturals, for example, 7353 + ... + 12879.

Almost surely, 2^55911132 is an apocalyptic number.

It is an amenable number.

55911132 is an abundant number, since it is smaller than the sum of its proper divisors (85948404).

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

55911132 is a wasteful number, since it uses less digits than its factorization.

55911132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818 (or 5813 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 55911132 is about 7477.3746729718. The cubic root of 55911132 is about 382.3837503964.

The spelling of 55911132 in words is "fifty-five million, nine hundred eleven thousand, one hundred thirty-two".