45555452531 has 4 divisors (see below), whose sum is σ = 45625216512. Its totient is φ = 45485688552.

The previous prime is 45555452521. The next prime is 45555452533. The reversal of 45555452531 is 13525455554.

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 45555452531 - 2¹⁰ = 45555451507 is a prime.

It is a super-2 number, since 2×45555452531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 34881011 + ... + 34882316.

It is an arithmetic number, because the mean of its divisors is an integer number (11406304128).

Almost surely, 2^45555452531 is an apocalyptic number.

45555452531 is a deficient number, since it is larger than the sum of its proper divisors (69763981).

45555452531 is an equidigital number, since it uses as much as digits as its factorization.

45555452531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69763980.

The product of its digits is 1500000, while the sum is 44.

The spelling of 45555452531 in words is "forty-five billion, five hundred fifty-five million, four hundred fifty-two thousand, five hundred thirty-one".