55909228750503 has 4 divisors (see below), whose sum is σ = 74545638334008. Its totient is φ = 37272819167000.

The previous prime is 55909228750469. The next prime is 55909228750547. The reversal of 55909228750503 is 30505782290955.

It is a happy number.

55909228750503 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 a cyclic number.

It is not a de Polignac number, because 55909228750503 - 2³² = 55904933783207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55909228750303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9318204791748 + ... + 9318204791753.

It is an arithmetic number, because the mean of its divisors is an integer number (18636409583502).

Almost surely, 2^{55909228750503} is an apocalyptic number.

55909228750503 is a deficient number, since it is larger than the sum of its proper divisors (18636409583505).

55909228750503 is a wasteful number, since it uses less digits than its factorization.

55909228750503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18636409583504.

The product of its (nonzero) digits is 34020000, while the sum is 60.

The spelling of 55909228750503 in words is "fifty-five trillion, nine hundred nine billion, two hundred twenty-eight million, seven hundred fifty thousand, five hundred three".