30555552055503 has 32 divisors (see below), whose sum is σ = 40928306872320. Its totient is φ = 20276815426560.

The previous prime is 30555552055481. The next prime is 30555552055543. The reversal of 30555552055503 is 30555025555503.

It is not a de Polignac number, because 30555552055503 - 2¹³ = 30555552047311 is a prime.

It is a super-2 number, since 2×30555552055503² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555552055543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1717463538 + ... + 1717481328.

It is an arithmetic number, because the mean of its divisors is an integer number (1279009589760).

Almost surely, 2^{30555552055503} is an apocalyptic number.

30555552055503 is a deficient number, since it is larger than the sum of its proper divisors (10372754816817).

30555552055503 is a wasteful number, since it uses less digits than its factorization.

30555552055503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20919.

The product of its (nonzero) digits is 7031250, while the sum is 48.

The spelling of 30555552055503 in words is "thirty trillion, five hundred fifty-five billion, five hundred fifty-two million, fifty-five thousand, five hundred three".