45555315503 has 4 divisors (see below), whose sum is σ = 45581215680. Its totient is φ = 45529415328.

The previous prime is 45555315473. The next prime is 45555315527. The reversal of 45555315503 is 30551355554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45555315503 - 2¹⁰ = 45555314479 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 (45555315583) 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, 12947450 + ... + 12950967.

It is an arithmetic number, because the mean of its divisors is an integer number (11395303920).

Almost surely, 2^45555315503 is an apocalyptic number.

45555315503 is a deficient number, since it is larger than the sum of its proper divisors (25900177).

45555315503 is a wasteful number, since it uses less digits than its factorization.

45555315503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25900176.

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 45555315503 in words is "forty-five billion, five hundred fifty-five million, three hundred fifteen thousand, five hundred three".