45535553 has 12 divisors (see below), whose sum is σ = 53157060. Its totient is φ = 38892672.

The previous prime is 45535507. The next prime is 45535573. The reversal of 45535553 is 35553554.

It can be written as a sum of positive squares in 2 ways, for example, as 283024 + 45252529 = 532^2 + 6727^2 .

It is not a de Polignac number, because 45535553 - 2⁶ = 45535489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45535573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13853 + ... + 16821.

It is an arithmetic number, because the mean of its divisors is an integer number (4429755).

Almost surely, 2^45535553 is an apocalyptic number.

It is an amenable number.

45535553 is a deficient number, since it is larger than the sum of its proper divisors (7621507).

45535553 is a wasteful number, since it uses less digits than its factorization.

45535553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296 (or 3289 counting only the distinct ones).

The product of its digits is 112500, while the sum is 35.

The square root of 45535553 is about 6748.0036307044. The cubic root of 45535553 is about 357.0948101384.

The spelling of 45535553 in words is "forty-five million, five hundred thirty-five thousand, five hundred fifty-three".