55226672 has 40 divisors (see below), whose sum is σ = 113430240. Its totient is φ = 26001920.

The previous prime is 55226669. The next prime is 55226707. The reversal of 55226672 is 27662255.

It is a super-3 number, since 3×55226672³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17573 + ... + 20475.

It is an arithmetic number, because the mean of its divisors is an integer number (2835756).

Almost surely, 2^55226672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55226672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56715120).

55226672 is an abundant number, since it is smaller than the sum of its proper divisors (58203568).

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

55226672 is a wasteful number, since it uses less digits than its factorization.

55226672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2975 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 55226672 is about 7431.4649968899. The cubic root of 55226672 is about 380.8169680903.

The spelling of 55226672 in words is "fifty-five million, two hundred twenty-six thousand, six hundred seventy-two".