5305566381 has 16 divisors (see below), whose sum is σ = 7132661760. Its totient is φ = 3507850800.

The previous prime is 5305566367. The next prime is 5305566449. The reversal of 5305566381 is 1836655035.

It is a happy number.

It is not a de Polignac number, because 5305566381 - 2¹¹ = 5305564333 is a prime.

It is a super-2 number, since 2×5305566381² = 56298069246394874322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5305566311) 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, 222906 + ... + 245556.

It is an arithmetic number, because the mean of its divisors is an integer number (445791360).

Almost surely, 2^5305566381 is an apocalyptic number.

It is an amenable number.

5305566381 is a deficient number, since it is larger than the sum of its proper divisors (1827095379).

5305566381 is a wasteful number, since it uses less digits than its factorization.

5305566381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23296.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 5305566381 is about 72839.3189218570. The cubic root of 5305566381 is about 1744.1235688272.

The spelling of 5305566381 in words is "five billion, three hundred five million, five hundred sixty-six thousand, three hundred eighty-one".