75325553522 has 6 divisors (see below), whose sum is σ = 112988912493. Its totient is φ = 37662582692.

The previous prime is 75325553489. The next prime is 75325553581. The reversal of 75325553522 is 22535552357.

It can be written as a sum of positive squares in 2 ways, for example, as 38388173041 + 36937380481 = 195929^2 + 192191^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=194069.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 291104 + ... + 485172.

Almost surely, 2^75325553522 is an apocalyptic number.

75325553522 is a deficient number, since it is larger than the sum of its proper divisors (37663358971).

75325553522 is an frugal number, since it uses more digits than its factorization.

75325553522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388140 (or 194071 counting only the distinct ones).

The product of its digits is 1575000, while the sum is 44.

The spelling of 75325553522 in words is "seventy-five billion, three hundred twenty-five million, five hundred fifty-three thousand, five hundred twenty-two".