55326224 has 20 divisors (see below), whose sum is σ = 111855936. Its totient is φ = 26460192.

The previous prime is 55326221. The next prime is 55326239. The reversal of 55326224 is 42262355.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55326221) 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, 74804 + ... + 75539.

Almost surely, 2^55326224 is an apocalyptic number.

It is an amenable number.

55326224 is an abundant number, since it is smaller than the sum of its proper divisors (56529712).

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

55326224 is a wasteful number, since it uses less digits than its factorization.

55326224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150374 (or 150368 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 55326224 is about 7438.1599875238. The cubic root of 55326224 is about 381.0456518803.

Adding to 55326224 its reverse (42262355), we get a palindrome (97588579).

The spelling of 55326224 in words is "fifty-five million, three hundred twenty-six thousand, two hundred twenty-four".