5556632261 has 16 divisors (see below), whose sum is σ = 6057624960. Its totient is φ = 5080891200.

The previous prime is 5556632233. The next prime is 5556632299. The reversal of 5556632261 is 1622366555.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556632261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556632561) 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, 26126 + ... + 108608.

It is an arithmetic number, because the mean of its divisors is an integer number (378601560).

Almost surely, 2^5556632261 is an apocalyptic number.

It is an amenable number.

5556632261 is a deficient number, since it is larger than the sum of its proper divisors (500992699).

5556632261 is a wasteful number, since it uses less digits than its factorization.

5556632261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82636.

The product of its digits is 324000, while the sum is 41.

The square root of 5556632261 is about 74542.8216597682. The cubic root of 5556632261 is about 1771.2120249402.

The spelling of 5556632261 in words is "five billion, five hundred fifty-six million, six hundred thirty-two thousand, two hundred sixty-one".