55020260 has 24 divisors (see below), whose sum is σ = 116061120. Its totient is φ = 21909344.

The previous prime is 55020253. The next prime is 55020269. The reversal of 55020260 is 6202055.

It is a happy number.

55020260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (55020269) 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, 1520 + ... + 10599.

It is an arithmetic number, because the mean of its divisors is an integer number (4835880).

Almost surely, 2^55020260 is an apocalyptic number.

It is an amenable number.

55020260 is an abundant number, since it is smaller than the sum of its proper divisors (61040860).

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

55020260 is a wasteful number, since it uses less digits than its factorization.

55020260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355 (or 12353 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55020260 is about 7417.5642902505. The cubic root of 55020260 is about 380.3419359902.

The spelling of 55020260 in words is "fifty-five million, twenty thousand, two hundred sixty".