45993897 has 6 divisors (see below), whose sum is σ = 66435642. Its totient is φ = 30662592.

The previous prime is 45993887. The next prime is 45993901. The reversal of 45993897 is 79839954.

It can be written as a sum of positive squares in only one way, i.e., 45846441 + 147456 = 6771^2 + 384^2 .

It is not a de Polignac number, because 45993897 - 2⁴ = 45993881 is a prime.

It is a super-2 number, since 2×45993897² = 4230877122493218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45993887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2555208 + ... + 2555225.

It is an arithmetic number, because the mean of its divisors is an integer number (11072607).

Almost surely, 2^45993897 is an apocalyptic number.

It is an amenable number.

45993897 is a deficient number, since it is larger than the sum of its proper divisors (20441745).

45993897 is a wasteful number, since it uses less digits than its factorization.

45993897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110439 (or 5110436 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 45993897 is about 6781.8800490719. The cubic root of 45993897 is about 358.2889405014.

The spelling of 45993897 in words is "forty-five million, nine hundred ninety-three thousand, eight hundred ninety-seven".