55005250503 has 8 divisors (see below), whose sum is σ = 83817524608. Its totient is φ = 31431571704.

The previous prime is 55005250499. The next prime is 55005250519. The reversal of 55005250503 is 30505250055.

55005250503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55005250503 - 2² = 55005250499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005210503) 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, 1309648801 + ... + 1309648842.

It is an arithmetic number, because the mean of its divisors is an integer number (10477190576).

Almost surely, 2^55005250503 is an apocalyptic number.

55005250503 is a deficient number, since it is larger than the sum of its proper divisors (28812274105).

55005250503 is a wasteful number, since it uses less digits than its factorization.

55005250503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619297653.

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 55005250503 in words is "fifty-five billion, five million, two hundred fifty thousand, five hundred three".