55428922 has 8 divisors (see below), whose sum is σ = 83318400. Its totient is φ = 27656124.

The previous prime is 55428917. The next prime is 55428941. The reversal of 55428922 is 22982455.

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

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, 27972 + ... + 29887.

It is an arithmetic number, because the mean of its divisors is an integer number (10414800).

Almost surely, 2^55428922 is an apocalyptic number.

55428922 is a deficient number, since it is larger than the sum of its proper divisors (27889478).

55428922 is a wasteful number, since it uses less digits than its factorization.

55428922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58340.

The product of its digits is 57600, while the sum is 37.

The square root of 55428922 is about 7445.0602415293. The cubic root of 55428922 is about 381.2812751554.

The spelling of 55428922 in words is "fifty-five million, four hundred twenty-eight thousand, nine hundred twenty-two".