55500422 has 4 divisors (see below), whose sum is σ = 83250636. Its totient is φ = 27750210.

The previous prime is 55500413. The next prime is 55500433. The reversal of 55500422 is 22400555.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875104 + ... + 13875107.

It is an arithmetic number, because the mean of its divisors is an integer number (20812659).

Almost surely, 2^55500422 is an apocalyptic number.

55500422 is a deficient number, since it is larger than the sum of its proper divisors (27750214).

55500422 is a wasteful number, since it uses less digits than its factorization.

55500422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750213.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 55500422 is about 7449.8605356074. The cubic root of 55500422 is about 381.4451480737.

Adding to 55500422 its reverse (22400555), we get a palindrome (77900977).

The spelling of 55500422 in words is "fifty-five million, five hundred thousand, four hundred twenty-two".