55226580 has 24 divisors (see below), whose sum is σ = 154634592. Its totient is φ = 14727072.

The previous prime is 55226573. The next prime is 55226621. The reversal of 55226580 is 8562255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460162 + ... + 460281.

It is an arithmetic number, because the mean of its divisors is an integer number (6443108).

Almost surely, 2^55226580 is an apocalyptic number.

It is an amenable number.

55226580 is an abundant number, since it is smaller than the sum of its proper divisors (99408012).

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

55226580 is a wasteful number, since it uses less digits than its factorization.

55226580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920455 (or 920453 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 55226580 is about 7431.4588069907. The cubic root of 55226580 is about 380.8167566273.

The spelling of 55226580 in words is "fifty-five million, two hundred twenty-six thousand, five hundred eighty".