5656871254 has 16 divisors (see below), whose sum is σ = 9239900400. Its totient is φ = 2587171104.

The previous prime is 5656871249. The next prime is 5656871279. The reversal of 5656871254 is 4521786565.

It is a junction number, because it is equal to n+sod(n) for n = 5656871198 and 5656871207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565537 + ... + 2567740.

It is an arithmetic number, because the mean of its divisors is an integer number (577493775).

Almost surely, 2^5656871254 is an apocalyptic number.

5656871254 is a deficient number, since it is larger than the sum of its proper divisors (3583029146).

5656871254 is a wasteful number, since it uses less digits than its factorization.

5656871254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133327.

The product of its digits is 2016000, while the sum is 49.

The square root of 5656871254 is about 75212.1749053968. The cubic root of 5656871254 is about 1781.7992216403.

The spelling of 5656871254 in words is "five billion, six hundred fifty-six million, eight hundred seventy-one thousand, two hundred fifty-four".