55322574 has 8 divisors (see below), whose sum is σ = 110645160. Its totient is φ = 18440856.

The previous prime is 55322549. The next prime is 55322609. The reversal of 55322574 is 47522355.

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

55322574 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 4610209 + ... + 4610220.

It is an arithmetic number, because the mean of its divisors is an integer number (13830645).

Almost surely, 2^55322574 is an apocalyptic number.

55322574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55322574 is a wasteful number, since it uses less digits than its factorization.

55322574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220434.

The product of its digits is 42000, while the sum is 33.

The square root of 55322574 is about 7437.9146270981. The cubic root of 55322574 is about 381.0372722060.

The spelling of 55322574 in words is "fifty-five million, three hundred twenty-two thousand, five hundred seventy-four".