45551497 has 2 divisors, whose sum is σ = 45551498. Its totient is φ = 45551496.

The previous prime is 45551461. The next prime is 45551521. The reversal of 45551497 is 79415554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39891856 + 5659641 = 6316^2 + 2379^2 .

It is a cyclic number.

It is not a de Polignac number, because 45551497 - 2¹⁹ = 45027209 is a prime.

It is not a weakly prime, because it can be changed into another prime (45551447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775748 + 22775749.

It is an arithmetic number, because the mean of its divisors is an integer number (22775749).

Almost surely, 2^45551497 is an apocalyptic number.

It is an amenable number.

45551497 is a deficient number, since it is larger than the sum of its proper divisors (1).

45551497 is an equidigital number, since it uses as much as digits as its factorization.

45551497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 40.

The square root of 45551497 is about 6749.1849137507. The cubic root of 45551497 is about 357.1364834748.

The spelling of 45551497 in words is "forty-five million, five hundred fifty-one thousand, four hundred ninety-seven".