55503316 has 24 divisors (see below), whose sum is σ = 106446816. Its totient is φ = 25113120.

The previous prime is 55503311. The next prime is 55503319. The reversal of 55503316 is 61330555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503311) 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, 7210 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (4435284).

Almost surely, 2^55503316 is an apocalyptic number.

It is an amenable number.

55503316 is a deficient number, since it is larger than the sum of its proper divisors (50943500).

55503316 is a wasteful number, since it uses less digits than its factorization.

55503316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 55503316 is about 7450.0547648994. The cubic root of 55503316 is about 381.4517779516.

The spelling of 55503316 in words is "fifty-five million, five hundred three thousand, three hundred sixteen".