75850555556 has 6 divisors (see below), whose sum is σ = 132738472230. Its totient is φ = 37925277776.

The previous prime is 75850555549. The next prime is 75850555603. The reversal of 75850555556 is 65555505857.

It can be written as a sum of positive squares in only one way, i.e., 75743846656 + 106708900 = 275216^2 + 10330^2 .

It is a super-4 number, since 4×75850555556⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9481319441 + ... + 9481319448.

It is an arithmetic number, because the mean of its divisors is an integer number (22123078705).

Almost surely, 2^75850555556 is an apocalyptic number.

It is an amenable number.

75850555556 is a deficient number, since it is larger than the sum of its proper divisors (56887916674).

75850555556 is a wasteful number, since it uses less digits than its factorization.

75850555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18962638893 (or 18962638891 counting only the distinct ones).

The product of its (nonzero) digits is 26250000, while the sum is 56.

The spelling of 75850555556 in words is "seventy-five billion, eight hundred fifty million, five hundred fifty-five thousand, five hundred fifty-six".