55283020 has 24 divisors (see below), whose sum is σ = 125025264. Its totient is φ = 20412096.

The previous prime is 55283017. The next prime is 55283021. The reversal of 55283020 is 2038255.

55283020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55283021) 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, 106054 + ... + 106573.

It is an arithmetic number, because the mean of its divisors is an integer number (5209386).

Almost surely, 2^55283020 is an apocalyptic number.

It is an amenable number.

55283020 is an abundant number, since it is smaller than the sum of its proper divisors (69742244).

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

55283020 is a wasteful number, since it uses less digits than its factorization.

55283020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212649 (or 212647 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55283020 is about 7435.2552074559. The cubic root of 55283020 is about 380.9464404381.

The spelling of 55283020 in words is "fifty-five million, two hundred eighty-three thousand, twenty".