55326522 has 8 divisors (see below), whose sum is σ = 110653056. Its totient is φ = 18442172.

The previous prime is 55326503. The next prime is 55326527. The reversal of 55326522 is 22562355.

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

55326522 is an admirable number.

It is a super-2 number, since 2×55326522² = 6122048073232968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55326522.

It is not an unprimeable number, because it can be changed into a prime (55326527) 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, 4610538 + ... + 4610549.

It is an arithmetic number, because the mean of its divisors is an integer number (13831632).

Almost surely, 2^55326522 is an apocalyptic number.

55326522 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.

55326522 is a wasteful number, since it uses less digits than its factorization.

55326522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221092.

The product of its digits is 18000, while the sum is 30.

The square root of 55326522 is about 7438.1800193327. The cubic root of 55326522 is about 381.0463360128.

Adding to 55326522 its reverse (22562355), we get a palindrome (77888877).

The spelling of 55326522 in words is "fifty-five million, three hundred twenty-six thousand, five hundred twenty-two".