55815681675 has 96 divisors (see below), whose sum is σ = 101411731456. Its totient is φ = 26920512000.

The previous prime is 55815681671. The next prime is 55815681679. The reversal of 55815681675 is 57618651855.

It is an interprime number because it is at equal distance from previous prime (55815681671) and next prime (55815681679).

It is not a de Polignac number, because 55815681675 - 2² = 55815681671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55815681671) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16115994 + ... + 16119456.

Almost surely, 2^55815681675 is an apocalyptic number.

55815681675 is a deficient number, since it is larger than the sum of its proper divisors (45596049781).

55815681675 is a wasteful number, since it uses less digits than its factorization.

55815681675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821 (or 3816 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 57.

The spelling of 55815681675 in words is "fifty-five billion, eight hundred fifteen million, six hundred eighty-one thousand, six hundred seventy-five".