45557052503 has 4 divisors (see below), whose sum is σ = 45563354760. Its totient is φ = 45550750248.

The previous prime is 45557052487. The next prime is 45557052521. The reversal of 45557052503 is 30525075554.

It is a happy number.

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 45557052503 - 2⁴ = 45557052487 is a prime.

It is a super-2 number, since 2×45557052503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45557052103) 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, 3140273 + ... + 3154746.

It is an arithmetic number, because the mean of its divisors is an integer number (11390838690).

Almost surely, 2^45557052503 is an apocalyptic number.

45557052503 is a deficient number, since it is larger than the sum of its proper divisors (6302257).

45557052503 is an equidigital number, since it uses as much as digits as its factorization.

45557052503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302256.

The product of its (nonzero) digits is 525000, while the sum is 41.

The spelling of 45557052503 in words is "forty-five billion, five hundred fifty-seven million, fifty-two thousand, five hundred three".