55081936 has 40 divisors (see below), whose sum is σ = 131352704. Its totient is φ = 21790080.

The previous prime is 55081927. The next prime is 55081967. The reversal of 55081936 is 63918055.

55081936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55081895 and 55081904.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17460 + ... + 20371.

Almost surely, 2^55081936 is an apocalyptic number.

55081936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55081936 is an abundant number, since it is smaller than the sum of its proper divisors (76270768).

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

55081936 is a wasteful number, since it uses less digits than its factorization.

55081936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37859 (or 37853 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 55081936 is about 7421.7205552352. The cubic root of 55081936 is about 380.4840000801.

The spelling of 55081936 in words is "fifty-five million, eighty-one thousand, nine hundred thirty-six".