5516946577 has 2 divisors, whose sum is σ = 5516946578. Its totient is φ = 5516946576.

The previous prime is 5516946551. The next prime is 5516946587. The reversal of 5516946577 is 7756496155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4262653521 + 1254293056 = 65289^2 + 35416^2 .

It is a cyclic number.

It is not a de Polignac number, because 5516946577 - 2²⁷ = 5382728849 is a prime.

It is not a weakly prime, because it can be changed into another prime (5516946587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758473288 + 2758473289.

It is an arithmetic number, because the mean of its divisors is an integer number (2758473289).

Almost surely, 2^5516946577 is an apocalyptic number.

It is an amenable number.

5516946577 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516946577 is an equidigital number, since it uses as much as digits as its factorization.

5516946577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938000, while the sum is 55.

The square root of 5516946577 is about 74276.1507955279. The cubic root of 5516946577 is about 1766.9852579147.

It can be divided in two parts, 551 and 6946577, that added together give a triangular number (6947128 = T₃₇₂₇).

The spelling of 5516946577 in words is "five billion, five hundred sixteen million, nine hundred forty-six thousand, five hundred seventy-seven".