55422300 has 72 divisors (see below), whose sum is σ = 164722096. Its totient is φ = 14376960.

The previous prime is 55422293. The next prime is 55422317. The reversal of 55422300 is 322455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8604 + ... + 13596.

Almost surely, 2^55422300 is an apocalyptic number.

55422300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55422300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82361048).

55422300 is an abundant number, since it is smaller than the sum of its proper divisors (109299796).

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

55422300 is a wasteful number, since it uses less digits than its factorization.

55422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55422300 is about 7444.6155038390. The cubic root of 55422300 is about 381.2660908733.

Adding to 55422300 its reverse (322455), we get a palindrome (55744755).

The spelling of 55422300 in words is "fifty-five million, four hundred twenty-two thousand, three hundred".