545510500501 has 2 divisors, whose sum is σ = 545510500502. Its totient is φ = 545510500500.

The previous prime is 545510500499. The next prime is 545510500543. The reversal of 545510500501 is 105005015545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536188598001 + 9321902500 = 732249^2 + 96550^2 .

It is a cyclic number.

It is not a de Polignac number, because 545510500501 - 2¹ = 545510500499 is a prime.

Together with 545510500499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545510500571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272755250250 + 272755250251.

It is an arithmetic number, because the mean of its divisors is an integer number (272755250251).

Almost surely, 2^545510500501 is an apocalyptic number.

It is an amenable number.

545510500501 is a deficient number, since it is larger than the sum of its proper divisors (1).

545510500501 is an equidigital number, since it uses as much as digits as its factorization.

545510500501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 545510500501 in words is "five hundred forty-five billion, five hundred ten million, five hundred thousand, five hundred one".