45625553 has 2 divisors, whose sum is σ = 45625554. Its totient is φ = 45625552.

The previous prime is 45625487. The next prime is 45625561. The reversal of 45625553 is 35552654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43138624 + 2486929 = 6568^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 45625553 - 2²² = 41431249 is a prime.

It is not a weakly prime, because it can be changed into another prime (45625253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22812776 + 22812777.

It is an arithmetic number, because the mean of its divisors is an integer number (22812777).

Almost surely, 2^45625553 is an apocalyptic number.

It is an amenable number.

45625553 is a deficient number, since it is larger than the sum of its proper divisors (1).

45625553 is an equidigital number, since it uses as much as digits as its factorization.

45625553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 35.

The square root of 45625553 is about 6754.6689778256. The cubic root of 45625553 is about 357.3299186072.

The spelling of 45625553 in words is "forty-five million, six hundred twenty-five thousand, five hundred fifty-three".