5656442505 has 32 divisors (see below), whose sum is σ = 10497598464. Its totient is φ = 2547205056.

The previous prime is 5656442401. The next prime is 5656442507. The reversal of 5656442505 is 5052446565.

It is a happy number.

It is not a de Polignac number, because 5656442505 - 2¹⁰ = 5656441481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5656442507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394987 + ... + 409056.

It is an arithmetic number, because the mean of its divisors is an integer number (328049952).

Almost surely, 2^5656442505 is an apocalyptic number.

It is an amenable number.

5656442505 is a deficient number, since it is larger than the sum of its proper divisors (4841155959).

5656442505 is a wasteful number, since it uses less digits than its factorization.

5656442505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804125.

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 5656442505 is about 75209.3245881121. The cubic root of 5656442505 is about 1781.7542047690.

The spelling of 5656442505 in words is "five billion, six hundred fifty-six million, four hundred forty-two thousand, five hundred five".