55250422 has 8 divisors (see below), whose sum is σ = 82954872. Its totient is φ = 27598800.

The previous prime is 55250383. The next prime is 55250441. The reversal of 55250422 is 22405255.

It is a happy number.

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

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, 10479 + ... + 14842.

It is an arithmetic number, because the mean of its divisors is an integer number (10369359).

Almost surely, 2^55250422 is an apocalyptic number.

55250422 is a deficient number, since it is larger than the sum of its proper divisors (27704450).

55250422 is a wasteful number, since it uses less digits than its factorization.

55250422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26414.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 55250422 is about 7433.0627603970. The cubic root of 55250422 is about 380.8715498498.

Adding to 55250422 its reverse (22405255), we get a palindrome (77655677).

The spelling of 55250422 in words is "fifty-five million, two hundred fifty thousand, four hundred twenty-two".