55310035503 has 4 divisors (see below), whose sum is σ = 73746714008. Its totient is φ = 36873357000.

The previous prime is 55310035499. The next prime is 55310035507. The reversal of 55310035503 is 30553001355.

55310035503 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 (55310035499) and next prime (55310035507).

It is not a de Polignac number, because 55310035503 - 2² = 55310035499 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 (55310035507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9218339248 + ... + 9218339253.

It is an arithmetic number, because the mean of its divisors is an integer number (18436678502).

Almost surely, 2^55310035503 is an apocalyptic number.

55310035503 is a deficient number, since it is larger than the sum of its proper divisors (18436678505).

55310035503 is a wasteful number, since it uses less digits than its factorization.

55310035503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18436678504.

The product of its (nonzero) digits is 16875, while the sum is 30.

Adding to 55310035503 its reverse (30553001355), we get a palindrome (85863036858).

The spelling of 55310035503 in words is "fifty-five billion, three hundred ten million, thirty-five thousand, five hundred three".