23550553546887 has 4 divisors (see below), whose sum is σ = 31400738062520. Its totient is φ = 15700369031256.

The previous prime is 23550553546873. The next prime is 23550553546913. The reversal of 23550553546887 is 78864535505532.

It is a happy number.

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

It is not a de Polignac number, because 23550553546887 - 2⁷ = 23550553546759 is a prime.

It is a super-2 number, since 2×23550553546887² (a number of 28 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 (23550553546867) 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, 3925092257812 + ... + 3925092257817.

It is an arithmetic number, because the mean of its divisors is an integer number (7850184515630).

Almost surely, 2^{23550553546887} is an apocalyptic number.

23550553546887 is a deficient number, since it is larger than the sum of its proper divisors (7850184515633).

23550553546887 is an equidigital number, since it uses as much as digits as its factorization.

23550553546887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850184515632.

The product of its (nonzero) digits is 604800000, while the sum is 66.

The spelling of 23550553546887 in words is "twenty-three trillion, five hundred fifty billion, five hundred fifty-three million, five hundred forty-six thousand, eight hundred eighty-seven".