5265561774 has 64 divisors (see below), whose sum is σ = 11652221952. Its totient is φ = 1573017600.

The previous prime is 5265561773. The next prime is 5265561803. The reversal of 5265561774 is 4771655625.

It is a super-2 number, since 2×5265561774² = 55452281591620054152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265561773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1797499 + ... + 1800425.

It is an arithmetic number, because the mean of its divisors is an integer number (182065968).

Almost surely, 2^5265561774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5265561774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5826110976).

5265561774 is an abundant number, since it is smaller than the sum of its proper divisors (6386660178).

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

5265561774 is a wasteful number, since it uses less digits than its factorization.

5265561774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321.

The product of its digits is 1764000, while the sum is 48.

The square root of 5265561774 is about 72564.1907141532. The cubic root of 5265561774 is about 1739.7288710852.

The spelling of 5265561774 in words is "five billion, two hundred sixty-five million, five hundred sixty-one thousand, seven hundred seventy-four".