75755213650 has 24 divisors (see below), whose sum is σ = 140919144660. Its totient is φ = 30298978560.

The previous prime is 75755213647. The next prime is 75755213771. The reversal of 75755213650 is 5631255757.

It can be written as a sum of positive squares in 6 ways, for example, as 52537682521 + 23217531129 = 229211^2 + 152373^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75755213650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450406 + ... + 595294.

Almost surely, 2^75755213650 is an apocalyptic number.

75755213650 is a deficient number, since it is larger than the sum of its proper divisors (65163931010).

75755213650 is a wasteful number, since it uses less digits than its factorization.

75755213650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155358 (or 155353 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 46.

It can be divided in two parts, 7575 and 5213650, that added together give a palindrome (5221225).

The spelling of 75755213650 in words is "seventy-five billion, seven hundred fifty-five million, two hundred thirteen thousand, six hundred fifty".