45551811 has 16 divisors (see below), whose sum is σ = 62496000. Its totient is φ = 29500320.

The previous prime is 45551801. The next prime is 45551813. The reversal of 45551811 is 11815554.

It is not a de Polignac number, because 45551811 - 2⁶ = 45551747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45551813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13690 + ... + 16688.

It is an arithmetic number, because the mean of its divisors is an integer number (3906000).

Almost surely, 2^45551811 is an apocalyptic number.

45551811 is a deficient number, since it is larger than the sum of its proper divisors (16944189).

45551811 is a wasteful number, since it uses less digits than its factorization.

45551811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

The product of its digits is 4000, while the sum is 30.

The square root of 45551811 is about 6749.2081757788. The cubic root of 45551811 is about 357.1373040889.

The spelling of 45551811 in words is "forty-five million, five hundred fifty-one thousand, eight hundred eleven".