55956422 has 8 divisors (see below), whose sum is σ = 84024336. Its totient is φ = 27948312.

The previous prime is 55956421. The next prime is 55956437. The reversal of 55956422 is 22465955.

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

It is a super-2 number, since 2×55956422² = 6262242326084168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55956421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12533 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (10503042).

Almost surely, 2^55956422 is an apocalyptic number.

55956422 is a deficient number, since it is larger than the sum of its proper divisors (28067914).

55956422 is a wasteful number, since it uses less digits than its factorization.

55956422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29902.

The product of its digits is 108000, while the sum is 38.

The square root of 55956422 is about 7480.4025292761. The cubic root of 55956422 is about 382.4869706642.

The spelling of 55956422 in words is "fifty-five million, nine hundred fifty-six thousand, four hundred twenty-two".