55071922 has 8 divisors (see below), whose sum is σ = 82639872. Its totient is φ = 27525300.

The previous prime is 55071901. The next prime is 55071943. The reversal of 55071922 is 22917055.

It is an interprime number because it is at equal distance from previous prime (55071901) and next prime (55071943).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5647 + ... + 11917.

It is an arithmetic number, because the mean of its divisors is an integer number (10329984).

Almost surely, 2^55071922 is an apocalyptic number.

55071922 is a deficient number, since it is larger than the sum of its proper divisors (27567950).

55071922 is a wasteful number, since it uses less digits than its factorization.

55071922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10664.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 55071922 is about 7421.0458831623. The cubic root of 55071922 is about 380.4609411127.

Adding to 55071922 its reverse (22917055), we get a palindrome (77988977).

The spelling of 55071922 in words is "fifty-five million, seventy-one thousand, nine hundred twenty-two".