55220026 has 8 divisors (see below), whose sum is σ = 82873044. Its totient is φ = 27595680.

The previous prime is 55220003. The next prime is 55220059. The reversal of 55220026 is 62002255.

It can be written as a sum of positive squares in 2 ways, for example, as 55130625 + 89401 = 7425^2 + 299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55219979 and 55220006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435 + ... + 10606.

Almost surely, 2^55220026 is an apocalyptic number.

55220026 is a deficient number, since it is larger than the sum of its proper divisors (27653018).

55220026 is a wasteful number, since it uses less digits than its factorization.

55220026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55220026 is about 7431.0178306878. The cubic root of 55220026 is about 380.8016915882.

The spelling of 55220026 in words is "fifty-five million, two hundred twenty thousand, twenty-six".