9873550554 has 16 divisors (see below), whose sum is σ = 22568115648. Its totient is φ = 2821014432.

The previous prime is 9873550537. The next prime is 9873550559. The reversal of 9873550554 is 4550553789.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9873550497 and 9873550506.

It is not an unprimeable number, because it can be changed into a prime (9873550559) 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, 117542227 + ... + 117542310.

It is an arithmetic number, because the mean of its divisors is an integer number (1410507228).

Almost surely, 2^9873550554 is an apocalyptic number.

9873550554 is an abundant number, since it is smaller than the sum of its proper divisors (12694565094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9873550554 is a wasteful number, since it uses less digits than its factorization.

9873550554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235084549.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The square root of 9873550554 is about 99365.7413498234. The cubic root of 9873550554 is about 2145.3152405881.

The spelling of 9873550554 in words is "nine billion, eight hundred seventy-three million, five hundred fifty thousand, five hundred fifty-four".