45957591 has 8 divisors (see below), whose sum is σ = 68085360. Its totient is φ = 30638376.

The previous prime is 45957581. The next prime is 45957607. The reversal of 45957591 is 19575954.

45957591 is a `hidden beast` number, since 4 + 5 + 9 + 57 + 591 = 666.

It is not a de Polignac number, because 45957591 - 2⁵ = 45957559 is a prime.

It is a super-2 number, since 2×45957591² = 4224200341046562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45957521) 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, 851040 + ... + 851093.

It is an arithmetic number, because the mean of its divisors is an integer number (8510670).

Almost surely, 2^45957591 is an apocalyptic number.

45957591 is a deficient number, since it is larger than the sum of its proper divisors (22127769).

45957591 is a wasteful number, since it uses less digits than its factorization.

45957591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702142 (or 1702136 counting only the distinct ones).

The product of its digits is 283500, while the sum is 45.

The square root of 45957591 is about 6779.2028292418. The cubic root of 45957591 is about 358.1946420305.

It can be divided in two parts, 4 and 5957591, that added together give a palindrome (5957595).

The spelling of 45957591 in words is "forty-five million, nine hundred fifty-seven thousand, five hundred ninety-one".