45891953 has 4 divisors (see below), whose sum is σ = 46061568. Its totient is φ = 45722340.

The previous prime is 45891941. The next prime is 45891977. The reversal of 45891953 is 35919854.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45891953 - 2⁶ = 45891889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45891983) 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, 84401 + ... + 84942.

It is an arithmetic number, because the mean of its divisors is an integer number (11515392).

Almost surely, 2^45891953 is an apocalyptic number.

It is an amenable number.

45891953 is a deficient number, since it is larger than the sum of its proper divisors (169615).

45891953 is a wasteful number, since it uses less digits than its factorization.

45891953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169614.

The product of its digits is 194400, while the sum is 44.

The square root of 45891953 is about 6774.3599697684. The cubic root of 45891953 is about 358.0240326968.

The spelling of 45891953 in words is "forty-five million, eight hundred ninety-one thousand, nine hundred fifty-three".