55281076 has 48 divisors (see below), whose sum is σ = 107427600. Its totient is φ = 24858624.

The previous prime is 55281073. The next prime is 55281077. The reversal of 55281076 is 67018255.

55281076 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 8 ways, for example, as 76176 + 55204900 = 276^2 + 7430^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55281073) 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 15 ways as a sum of consecutive naturals, for example, 569860 + ... + 569956.

It is an arithmetic number, because the mean of its divisors is an integer number (2238075).

Almost surely, 2^55281076 is an apocalyptic number.

It is an amenable number.

55281076 is a deficient number, since it is larger than the sum of its proper divisors (52146524).

55281076 is a wasteful number, since it uses less digits than its factorization.

55281076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 55281076 is about 7435.1244777744. The cubic root of 55281076 is about 380.9419751215.

The spelling of 55281076 in words is "fifty-five million, two hundred eighty-one thousand, seventy-six".