55133322 has 8 divisors (see below), whose sum is σ = 110266656. Its totient is φ = 18377772.

The previous prime is 55133311. The next prime is 55133333. The reversal of 55133322 is 22333155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55133311) and next prime (55133333).

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

55133322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55133292 and 55133301.

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, 4594438 + ... + 4594449.

It is an arithmetic number, because the mean of its divisors is an integer number (13783332).

Almost surely, 2^55133322 is an apocalyptic number.

55133322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55133322 is a wasteful number, since it uses less digits than its factorization.

55133322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188892.

The product of its digits is 2700, while the sum is 24.

The square root of 55133322 is about 7425.1816139405. The cubic root of 55133322 is about 380.6022812899.

Adding to 55133322 its reverse (22333155), we get a palindrome (77466477).

It can be divided in two parts, 55133 and 322, that added together give a palindrome (55455).

The spelling of 55133322 in words is "fifty-five million, one hundred thirty-three thousand, three hundred twenty-two".