45593881 has 4 divisors (see below), whose sum is σ = 48275892. Its totient is φ = 42911872.

The previous prime is 45593837. The next prime is 45593893. The reversal of 45593881 is 18839554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13286025 + 32307856 = 3645^2 + 5684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45593881 is a prime.

It is a super-2 number, since 2×45593881² = 4157603969284322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45593081) 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, 1340980 + ... + 1341013.

It is an arithmetic number, because the mean of its divisors is an integer number (12068973).

Almost surely, 2^45593881 is an apocalyptic number.

It is an amenable number.

45593881 is a deficient number, since it is larger than the sum of its proper divisors (2682011).

45593881 is a wasteful number, since it uses less digits than its factorization.

45593881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682010.

The product of its digits is 172800, while the sum is 43.

The square root of 45593881 is about 6752.3241184055. The cubic root of 45593881 is about 357.2472166111.

The spelling of 45593881 in words is "forty-five million, five hundred ninety-three thousand, eight hundred eighty-one".