5655555631 has 8 divisors (see below), whose sum is σ = 6532620624. Its totient is φ = 4838977920.

The previous prime is 5655555617. The next prime is 5655555667. The reversal of 5655555631 is 1365555565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5655555631 - 2⁹ = 5655555119 is a prime.

It is a super-2 number, since 2×5655555631² = 63970618990671616322, 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 (5655555671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15121620 + ... + 15121993.

It is an arithmetic number, because the mean of its divisors is an integer number (816577578).

Almost surely, 2^5655555631 is an apocalyptic number.

5655555631 is a deficient number, since it is larger than the sum of its proper divisors (877064993).

5655555631 is a wasteful number, since it uses less digits than its factorization.

5655555631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30243641.

The product of its digits is 1687500, while the sum is 46.

The square root of 5655555631 is about 75203.4283194589. The cubic root of 5655555631 is about 1781.6610794480.

The spelling of 5655555631 in words is "five billion, six hundred fifty-five million, five hundred fifty-five thousand, six hundred thirty-one".