55422108 has 108 divisors (see below), whose sum is σ = 170303952. Its totient is φ = 14883840.

The previous prime is 55422089. The next prime is 55422109. The reversal of 55422108 is 80122455.

It is a happy number.

55422108 is a `hidden beast` number, since 554 + 2 + 2 + 108 = 666.

It is a super-2 number, since 2×55422108² = 6143220110327328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72448 + ... + 73208.

Almost surely, 2^55422108 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 55422108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85151976).

55422108 is an abundant number, since it is smaller than the sum of its proper divisors (114881844).

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

55422108 is a wasteful number, since it uses less digits than its factorization.

55422108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 55422108 is about 7444.6026086018. The cubic root of 55422108 is about 381.2656505982.

The spelling of 55422108 in words is "fifty-five million, four hundred twenty-two thousand, one hundred eight".