45991697 has 8 divisors (see below), whose sum is σ = 48082560. Its totient is φ = 43908480.

The previous prime is 45991691. The next prime is 45991733. The reversal of 45991697 is 79619954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45991697 - 2⁸ = 45991441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45991691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12929 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (6010320).

Almost surely, 2^45991697 is an apocalyptic number.

It is an amenable number.

45991697 is a deficient number, since it is larger than the sum of its proper divisors (2090863).

45991697 is a wasteful number, since it uses less digits than its factorization.

45991697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its digits is 612360, while the sum is 50.

The square root of 45991697 is about 6781.7178502205. The cubic root of 45991697 is about 358.2832277997.

The spelling of 45991697 in words is "forty-five million, nine hundred ninety-one thousand, six hundred ninety-seven".