55256022 has 48 divisors (see below), whose sum is σ = 123954480. Its totient is φ = 17775936.

The previous prime is 55256021. The next prime is 55256023. The reversal of 55256022 is 22065255.

55256022 is a `hidden beast` number, since 5 + 52 + 5 + 602 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (55256021) and next prime (55256023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55256021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108304 + ... + 108812.

It is an arithmetic number, because the mean of its divisors is an integer number (2582385).

Almost surely, 2^55256022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55256022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61977240).

55256022 is an abundant number, since it is smaller than the sum of its proper divisors (68698458).

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

55256022 is a wasteful number, since it uses less digits than its factorization.

55256022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 55256022 is about 7433.4394461783. The cubic root of 55256022 is about 380.8844173752.

The spelling of 55256022 in words is "fifty-five million, two hundred fifty-six thousand, twenty-two".