45557537 has 2 divisors, whose sum is σ = 45557538. Its totient is φ = 45557536.

The previous prime is 45557461. The next prime is 45557543. The reversal of 45557537 is 73575554.

45557537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23804641 + 21752896 = 4879^2 + 4664^2 .

It is a cyclic number.

It is not a de Polignac number, because 45557537 - 2¹⁰ = 45556513 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45557494 and 45557503.

It is not a weakly prime, because it can be changed into another prime (45557557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22778768 + 22778769.

It is an arithmetic number, because the mean of its divisors is an integer number (22778769).

Almost surely, 2^45557537 is an apocalyptic number.

It is an amenable number.

45557537 is a deficient number, since it is larger than the sum of its proper divisors (1).

45557537 is an equidigital number, since it uses as much as digits as its factorization.

45557537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367500, while the sum is 41.

The square root of 45557537 is about 6749.6323603586. The cubic root of 45557537 is about 357.1522678739.

The spelling of 45557537 in words is "forty-five million, five hundred fifty-seven thousand, five hundred thirty-seven".