55228476 has 24 divisors (see below), whose sum is σ = 132010704. Its totient is φ = 17960320.

The previous prime is 55228463. The next prime is 55228477. The reversal of 55228476 is 67482255.

55228476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55228476² = 6100369122565152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55228477) 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, 55635 + ... + 56618.

It is an arithmetic number, because the mean of its divisors is an integer number (5500446).

Almost surely, 2^55228476 is an apocalyptic number.

It is an amenable number.

55228476 is an abundant number, since it is smaller than the sum of its proper divisors (76782228).

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

55228476 is a wasteful number, since it uses less digits than its factorization.

55228476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112301 (or 112299 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 55228476 is about 7431.5863716975. The cubic root of 55228476 is about 380.8211145549.

The spelling of 55228476 in words is "fifty-five million, two hundred twenty-eight thousand, four hundred seventy-six".