45533997 has 12 divisors (see below), whose sum is σ = 68631264. Its totient is φ = 29036040.

The previous prime is 45533981. The next prime is 45534001. The reversal of 45533997 is 79933554.

45533997 is a `hidden beast` number, since 4 + 553 + 3 + 9 + 97 = 666.

It is not a de Polignac number, because 45533997 - 2⁴ = 45533981 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 109779 + ... + 110192.

It is an arithmetic number, because the mean of its divisors is an integer number (5719272).

Almost surely, 2^45533997 is an apocalyptic number.

It is an amenable number.

45533997 is a deficient number, since it is larger than the sum of its proper divisors (23097267).

45533997 is a wasteful number, since it uses less digits than its factorization.

45533997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220000 (or 219997 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The square root of 45533997 is about 6747.8883363612. Note that the first 3 decimals coincide. The cubic root of 45533997 is about 357.0907426510.

The spelling of 45533997 in words is "forty-five million, five hundred thirty-three thousand, nine hundred ninety-seven".