5651776446 has 64 divisors (see below), whose sum is σ = 12416302080. Its totient is φ = 1707863040.

The previous prime is 5651776441. The next prime is 5651776477. The reversal of 5651776446 is 6446771565.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651776441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321825 + ... + 338931.

It is an arithmetic number, because the mean of its divisors is an integer number (194004720).

Almost surely, 2^5651776446 is an apocalyptic number.

5651776446 is an abundant number, since it is smaller than the sum of its proper divisors (6764525634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5651776446 is a wasteful number, since it uses less digits than its factorization.

5651776446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17249.

The product of its digits is 4233600, while the sum is 51.

The square root of 5651776446 is about 75178.2977061865. The cubic root of 5651776446 is about 1781.2641407212.

The spelling of 5651776446 in words is "five billion, six hundred fifty-one million, seven hundred seventy-six thousand, four hundred forty-six".