55830634991 has 8 divisors (see below), whose sum is σ = 56780739600. Its totient is φ = 54880657920.

The previous prime is 55830634957. The next prime is 55830635039. The reversal of 55830634991 is 19943603855.

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

It is a cyclic number.

It is not a de Polignac number, because 55830634991 - 2¹⁰ = 55830633967 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 (55830634901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371215 + ... + 1411343.

It is an arithmetic number, because the mean of its divisors is an integer number (7097592450).

Almost surely, 2^55830634991 is an apocalyptic number.

55830634991 is a deficient number, since it is larger than the sum of its proper divisors (950104609).

55830634991 is a wasteful number, since it uses less digits than its factorization.

55830634991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63769.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 55830634991 in words is "fifty-five billion, eight hundred thirty million, six hundred thirty-four thousand, nine hundred ninety-one".