5521976731 has 4 divisors (see below), whose sum is σ = 5528245464. Its totient is φ = 5515708000.

The previous prime is 5521976723. The next prime is 5521976777. The reversal of 5521976731 is 1376791255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5521976731 - 2³ = 5521976723 is a prime.

It is a super-2 number, since 2×5521976731² = 60984454035410892722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521976231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3133045 + ... + 3134806.

It is an arithmetic number, because the mean of its divisors is an integer number (1382061366).

Almost surely, 2^5521976731 is an apocalyptic number.

5521976731 is a deficient number, since it is larger than the sum of its proper divisors (6268733).

5521976731 is an equidigital number, since it uses as much as digits as its factorization.

5521976731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268732.

The product of its digits is 396900, while the sum is 46.

The square root of 5521976731 is about 74310.0042457272. The cubic root of 5521976731 is about 1767.5221193767.

The spelling of 5521976731 in words is "five billion, five hundred twenty-one million, nine hundred seventy-six thousand, seven hundred thirty-one".