55669480631 has 4 divisors (see below), whose sum is σ = 55708330272. Its totient is φ = 55630630992.

The previous prime is 55669480613. The next prime is 55669480649. The reversal of 55669480631 is 13608496655.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (55669480613) and next prime (55669480649).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55669480631 is a prime.

It is a super-2 number, since 2×55669480631² (a number of 22 digits) 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 (55669483631) 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, 19422671 + ... + 19425536.

It is an arithmetic number, because the mean of its divisors is an integer number (13927082568).

Almost surely, 2^55669480631 is an apocalyptic number.

55669480631 is a deficient number, since it is larger than the sum of its proper divisors (38849641).

55669480631 is a wasteful number, since it uses less digits than its factorization.

55669480631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38849640.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 55669480631 in words is "fifty-five billion, six hundred sixty-nine million, four hundred eighty thousand, six hundred thirty-one".