75755755552 has 48 divisors (see below), whose sum is σ = 152555282712. Its totient is φ = 37019473920.

The previous prime is 75755755531. The next prime is 75755755553. The reversal of 75755755552 is 25555755757.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26167591696 + 49588163856 = 161764^2 + 222684^2 .

It is not an unprimeable number, because it can be changed into a prime (75755755553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182868 + ... + 430060.

Almost surely, 2^75755755552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75755755552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76277641356).

75755755552 is an abundant number, since it is smaller than the sum of its proper divisors (76799527160).

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

75755755552 is a wasteful number, since it uses less digits than its factorization.

75755755552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247421 (or 247413 counting only the distinct ones).

The product of its digits is 53593750, while the sum is 58.

The spelling of 75755755552 in words is "seventy-five billion, seven hundred fifty-five million, seven hundred fifty-five thousand, five hundred fifty-two".