45545054531 has 2 divisors, whose sum is σ = 45545054532. Its totient is φ = 45545054530.

The previous prime is 45545054497. The next prime is 45545054563. The reversal of 45545054531 is 13545054554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45545054531 is a prime.

It is a super-5 number, since 5×45545054531⁵ (a number of 54 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (45545054591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772527265 + 22772527266.

It is an arithmetic number, because the mean of its divisors is an integer number (22772527266).

Almost surely, 2^45545054531 is an apocalyptic number.

45545054531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45545054531 is an equidigital number, since it uses as much as digits as its factorization.

45545054531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 45545054531 in words is "forty-five billion, five hundred forty-five million, fifty-four thousand, five hundred thirty-one".