45053397 has 6 divisors (see below), whose sum is σ = 65077142. Its totient is φ = 30035592.

The previous prime is 45053387. The next prime is 45053399. The reversal of 45053397 is 79335054.

It can be written as a sum of positive squares in only one way, i.e., 45037521 + 15876 = 6711^2 + 126^2 .

It is not a de Polignac number, because 45053397 - 2¹⁰ = 45052373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45053399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2502958 + ... + 2502975.

Almost surely, 2^45053397 is an apocalyptic number.

It is an amenable number.

45053397 is a deficient number, since it is larger than the sum of its proper divisors (20023745).

45053397 is a wasteful number, since it uses less digits than its factorization.

45053397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005939 (or 5005936 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 45053397 is about 6712.1827299322. The cubic root of 45053397 is about 355.8299618258.

The spelling of 45053397 in words is "forty-five million, fifty-three thousand, three hundred ninety-seven".