45533971 has 4 divisors (see below), whose sum is σ = 52038832. Its totient is φ = 39029112.

The previous prime is 45533959. The next prime is 45533977. The reversal of 45533971 is 17933554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45533971 - 2⁷ = 45533843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45533971.

It is not an unprimeable number, because it can be changed into a prime (45533977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252420 + ... + 3252433.

It is an arithmetic number, because the mean of its divisors is an integer number (13009708).

Almost surely, 2^45533971 is an apocalyptic number.

45533971 is a deficient number, since it is larger than the sum of its proper divisors (6504861).

45533971 is an equidigital number, since it uses as much as digits as its factorization.

45533971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504860.

The product of its digits is 56700, while the sum is 37.

The square root of 45533971 is about 6747.8864098323. The cubic root of 45533971 is about 357.0906746845.

The spelling of 45533971 in words is "forty-five million, five hundred thirty-three thousand, nine hundred seventy-one".