55203324 has 24 divisors (see below), whose sum is σ = 140517888. Its totient is φ = 16728240.

The previous prime is 55203319. The next prime is 55203329. The reversal of 55203324 is 42330255.

It is an interprime number because it is at equal distance from previous prime (55203319) and next prime (55203329).

It is a junction number, because it is equal to n+sod(n) for n = 55203294 and 55203303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55203329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208972 + ... + 209235.

It is an arithmetic number, because the mean of its divisors is an integer number (5854912).

Almost surely, 2^55203324 is an apocalyptic number.

It is an amenable number.

55203324 is an abundant number, since it is smaller than the sum of its proper divisors (85314564).

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

55203324 is a wasteful number, since it uses less digits than its factorization.

55203324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418225 (or 418223 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 55203324 is about 7429.8939427155. The cubic root of 55203324 is about 380.7632949433.

Adding to 55203324 its reverse (42330255), we get a palindrome (97533579).

The spelling of 55203324 in words is "fifty-five million, two hundred three thousand, three hundred twenty-four".