55550050503 has 12 divisors (see below), whose sum is σ = 76533060024. Its totient is φ = 35838740400.

The previous prime is 55550050483. The next prime is 55550050553. The reversal of 55550050503 is 30505005555.

It is not a de Polignac number, because 55550050503 - 2⁹ = 55550049991 is a prime.

It is a super-2 number, since 2×55550050503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550050553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9631188 + ... + 9636953.

It is an arithmetic number, because the mean of its divisors is an integer number (6377755002).

Almost surely, 2^55550050503 is an apocalyptic number.

55550050503 is a deficient number, since it is larger than the sum of its proper divisors (20983009521).

55550050503 is a wasteful number, since it uses less digits than its factorization.

55550050503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268206 (or 19268175 counting only the distinct ones).

The product of its (nonzero) digits is 46875, while the sum is 33.

The spelling of 55550050503 in words is "fifty-five billion, five hundred fifty million, fifty thousand, five hundred three".