75648557522 has 16 divisors (see below), whose sum is σ = 116350252632. Its totient is φ = 36874231680.

The previous prime is 75648557503. The next prime is 75648557557. The reversal of 75648557522 is 22575584657.

It can be written as a sum of positive squares in 4 ways, for example, as 52386512161 + 23262045361 = 228881^2 + 152519^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256179 + ... + 2289462.

Almost surely, 2^75648557522 is an apocalyptic number.

75648557522 is a deficient number, since it is larger than the sum of its proper divisors (40701695110).

75648557522 is a wasteful number, since it uses less digits than its factorization.

75648557522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545853.

The product of its digits is 23520000, while the sum is 56.

The spelling of 75648557522 in words is "seventy-five billion, six hundred forty-eight million, five hundred fifty-seven thousand, five hundred twenty-two".