55503363 has 4 divisors (see below), whose sum is σ = 74004488. Its totient is φ = 37002240.

The previous prime is 55503353. The next prime is 55503373. The reversal of 55503363 is 36330555.

55503363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55503353) and next prime (55503373).

It is not a de Polignac number, because 55503363 - 2⁹ = 55502851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55503363.

It is not an unprimeable number, because it can be changed into a prime (55503323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250558 + ... + 9250563.

It is an arithmetic number, because the mean of its divisors is an integer number (18501122).

Almost surely, 2^55503363 is an apocalyptic number.

55503363 is a deficient number, since it is larger than the sum of its proper divisors (18501125).

55503363 is a wasteful number, since it uses less digits than its factorization.

55503363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501124.

The product of its (nonzero) digits is 20250, while the sum is 30.

The square root of 55503363 is about 7450.0579192379. The cubic root of 55503363 is about 381.4518856222.

The spelling of 55503363 in words is "fifty-five million, five hundred three thousand, three hundred sixty-three".