45533553 has 16 divisors (see below), whose sum is σ = 66775296. Its totient is φ = 27423360.

The previous prime is 45533533. The next prime is 45533581. The reversal of 45533553 is 35533554.

It is not a de Polignac number, because 45533553 - 2⁶ = 45533489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45533503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10588 + ... + 14253.

It is an arithmetic number, because the mean of its divisors is an integer number (4173456).

Almost surely, 2^45533553 is an apocalyptic number.

It is an amenable number.

45533553 is a deficient number, since it is larger than the sum of its proper divisors (21241743).

45533553 is a wasteful number, since it uses less digits than its factorization.

45533553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24904.

The product of its digits is 67500, while the sum is 33.

The square root of 45533553 is about 6747.8554371000. The cubic root of 45533553 is about 357.0895819886.

Subtracting from 45533553 its reverse (35533554), we obtain a palindrome (9999999).

The spelling of 45533553 in words is "forty-five million, five hundred thirty-three thousand, five hundred fifty-three".