45555452503 has 12 divisors (see below), whose sum is σ = 50292040120. Its totient is φ = 41233175280.

The previous prime is 45555452489. The next prime is 45555452521. The reversal of 45555452503 is 30525455554.

It is not a de Polignac number, because 45555452503 - 2⁵ = 45555452471 is a prime.

It is a super-4 number, since 4×45555452503⁴ (a number of 44 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45555452503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45555452533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 794325 + ... + 849742.

Almost surely, 2^45555452503 is an apocalyptic number.

45555452503 is a deficient number, since it is larger than the sum of its proper divisors (4736587617).

45555452503 is a wasteful number, since it uses less digits than its factorization.

45555452503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644318 (or 1644307 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 43.

The spelling of 45555452503 in words is "forty-five billion, five hundred fifty-five million, four hundred fifty-two thousand, five hundred three".