55575722 has 8 divisors (see below), whose sum is σ = 87751200. Its totient is φ = 26325324.

The previous prime is 55575719. The next prime is 55575733. The reversal of 55575722 is 22757555.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1462519 = 55575722 / (5 + 5 + 5 + 7 + 5 + 7 + 2 + 2).

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, 731222 + ... + 731297.

It is an arithmetic number, because the mean of its divisors is an integer number (10968900).

Almost surely, 2^55575722 is an apocalyptic number.

55575722 is a deficient number, since it is larger than the sum of its proper divisors (32175478).

55575722 is a wasteful number, since it uses less digits than its factorization.

55575722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462540.

The product of its digits is 122500, while the sum is 38.

The square root of 55575722 is about 7454.9126084750. The cubic root of 55575722 is about 381.6175782315.

The spelling of 55575722 in words is "fifty-five million, five hundred seventy-five thousand, seven hundred twenty-two".