75525575252 has 12 divisors (see below), whose sum is σ = 132908136480. Its totient is φ = 37551821976.

The previous prime is 75525575171. The next prime is 75525575267. The reversal of 75525575252 is 25257552557.

It is a super-2 number, since 2×75525575252² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75525575252.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 52740608 + ... + 52742039.

It is an arithmetic number, because the mean of its divisors is an integer number (11075678040).

Almost surely, 2^75525575252 is an apocalyptic number.

It is an amenable number.

75525575252 is a deficient number, since it is larger than the sum of its proper divisors (57382561228).

75525575252 is a wasteful number, since it uses less digits than its factorization.

75525575252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105482830 (or 105482828 counting only the distinct ones).

The product of its digits is 6125000, while the sum is 50.

The spelling of 75525575252 in words is "seventy-five billion, five hundred twenty-five million, five hundred seventy-five thousand, two hundred fifty-two".