45554472553 has 2 divisors, whose sum is σ = 45554472554. Its totient is φ = 45554472552.

The previous prime is 45554472541. The next prime is 45554472611. The reversal of 45554472553 is 35527445554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43859668329 + 1694804224 = 209427^2 + 41168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45554472553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45554472497 and 45554472506.

It is not a weakly prime, because it can be changed into another prime (45554472533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22777236276 + 22777236277.

It is an arithmetic number, because the mean of its divisors is an integer number (22777236277).

Almost surely, 2^45554472553 is an apocalyptic number.

It is an amenable number.

45554472553 is a deficient number, since it is larger than the sum of its proper divisors (1).

45554472553 is an equidigital number, since it uses as much as digits as its factorization.

45554472553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400000, while the sum is 49.

The spelling of 45554472553 in words is "forty-five billion, five hundred fifty-four million, four hundred seventy-two thousand, five hundred fifty-three".