55280822 has 16 divisors (see below), whose sum is σ = 87575040. Its totient is φ = 26118312.

The previous prime is 55280777. The next prime is 55280867. The reversal of 55280822 is 22808255.

It is a happy number.

55280822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55280777) and next prime (55280867).

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, 3422 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (5473440).

Almost surely, 2^55280822 is an apocalyptic number.

55280822 is a deficient number, since it is larger than the sum of its proper divisors (32294218).

55280822 is a wasteful number, since it uses less digits than its factorization.

55280822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14587.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 55280822 is about 7435.1073966689. The cubic root of 55280822 is about 380.9413916825.

The spelling of 55280822 in words is "fifty-five million, two hundred eighty thousand, eight hundred twenty-two".