55553322 has 32 divisors (see below), whose sum is σ = 121487040. Its totient is φ = 16795520.

The previous prime is 55553269. The next prime is 55553327. The reversal of 55553322 is 22335555.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 55553322.

It is not an unprimeable number, because it can be changed into a prime (55553327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42454 + ... + 43742.

It is an arithmetic number, because the mean of its divisors is an integer number (3796470).

Almost surely, 2^55553322 is an apocalyptic number.

55553322 is an abundant number, since it is smaller than the sum of its proper divisors (65933718).

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

55553322 is a wasteful number, since it uses less digits than its factorization.

55553322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its digits is 22500, while the sum is 30.

The square root of 55553322 is about 7453.4100920317. The cubic root of 55553322 is about 381.5663005502.

Adding to 55553322 its reverse (22335555), we get a palindrome (77888877).

It can be divided in two parts, 555533 and 22, that added together give a palindrome (555555).

The spelling of 55553322 in words is "fifty-five million, five hundred fifty-three thousand, three hundred twenty-two".