55870422 has 8 divisors (see below), whose sum is σ = 111740856. Its totient is φ = 18623472.

The previous prime is 55870403. The next prime is 55870433. The reversal of 55870422 is 22407855.

55870422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

55870422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655863 + ... + 4655874.

It is an arithmetic number, because the mean of its divisors is an integer number (13967607).

Almost surely, 2^55870422 is an apocalyptic number.

55870422 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.

55870422 is a wasteful number, since it uses less digits than its factorization.

55870422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311742.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 55870422 is about 7474.6519651419. The cubic root of 55870422 is about 382.2909208076.

The spelling of 55870422 in words is "fifty-five million, eight hundred seventy thousand, four hundred twenty-two".