5054662661 has 4 divisors (see below), whose sum is σ = 5059288332. Its totient is φ = 5050036992.

The previous prime is 5054662607. The next prime is 5054662673. The reversal of 5054662661 is 1662664505.

5054662661 = 291² + 292² + ... + 2476².

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

It can be written as a sum of positive squares in 2 ways, for example, as 4652058436 + 402604225 = 68206^2 + 20065^2 .

It is a cyclic number.

It is not a de Polignac number, because 5054662661 - 2¹⁴ = 5054646277 is a prime.

It is a super-2 number, since 2×5054662661² = 51099229233015201842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5054662061) 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, 2311196 + ... + 2313381.

It is an arithmetic number, because the mean of its divisors is an integer number (1264822083).

Almost surely, 2^5054662661 is an apocalyptic number.

It is an amenable number.

5054662661 is a deficient number, since it is larger than the sum of its proper divisors (4625671).

5054662661 is a wasteful number, since it uses less digits than its factorization.

5054662661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625670.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 5054662661 is about 71096.1508170449. The cubic root of 5054662661 is about 1716.1848307720.

The spelling of 5054662661 in words is "five billion, fifty-four million, six hundred sixty-two thousand, six hundred sixty-one".