45993511 has 4 divisors (see below), whose sum is σ = 46117192. Its totient is φ = 45869832.

The previous prime is 45993487. The next prime is 45993523. The reversal of 45993511 is 11539954.

It is a happy number.

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 45993511 - 2⁷ = 45993383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45993011) 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, 61281 + ... + 62026.

It is an arithmetic number, because the mean of its divisors is an integer number (11529298).

Almost surely, 2^45993511 is an apocalyptic number.

45993511 is a deficient number, since it is larger than the sum of its proper divisors (123681).

45993511 is a wasteful number, since it uses less digits than its factorization.

45993511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123680.

The product of its digits is 24300, while the sum is 37.

The square root of 45993511 is about 6781.8515908268. The cubic root of 45993511 is about 358.2879381951.

The spelling of 45993511 in words is "forty-five million, nine hundred ninety-three thousand, five hundred eleven".