5554869961 has 3 divisors (see below), whose sum is σ = 5554944493. Its totient is φ = 5554795430.

The previous prime is 5554869959. The next prime is 5554870021. The reversal of 5554869961 is 1699684555.

The square root of 5554869961 is 74531.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1699684555 = 5 ⋅339936911.

It is not a de Polignac number, because 5554869961 - 2¹ = 5554869959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5554869896 and 5554869905.

It is not an unprimeable number, because it can be changed into a prime (5554869361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37266 + ... + 111796.

Almost surely, 2^5554869961 is an apocalyptic number.

5554869961 is the 74531-st square number.

5554869961 is the 37266-th centered octagonal number.

It is an amenable number.

5554869961 is a deficient number, since it is larger than the sum of its proper divisors (74532).

5554869961 is an frugal number, since it uses more digits than its factorization.

5554869961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149062 (or 74531 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 58.

The cubic root of 5554869961 is about 1771.0247570143.

The spelling of 5554869961 in words is "five billion, five hundred fifty-four million, eight hundred sixty-nine thousand, nine hundred sixty-one".