75554045556 has 48 divisors (see below), whose sum is σ = 198523250688. Its totient is φ = 22156610400.

The previous prime is 75554045549. The next prime is 75554045603. The reversal of 75554045556 is 65554045557.

It is a junction number, because it is equal to n+sod(n) for n = 75554045499 and 75554045508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9227830 + ... + 9236013.

It is an arithmetic number, because the mean of its divisors is an integer number (4135901056).

Almost surely, 2^75554045556 is an apocalyptic number.

It is an amenable number.

75554045556 is an abundant number, since it is smaller than the sum of its proper divisors (122969205132).

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

75554045556 is a wasteful number, since it uses less digits than its factorization.

75554045556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18463892 (or 18463890 counting only the distinct ones).

The product of its (nonzero) digits is 10500000, while the sum is 51.

Subtracting from 75554045556 its reverse (65554045557), we obtain a palindrome (9999999999).

The spelling of 75554045556 in words is "seventy-five billion, five hundred fifty-four million, forty-five thousand, five hundred fifty-six".