75538804252 has 6 divisors (see below), whose sum is σ = 132192907448. Its totient is φ = 37769402124.

The previous prime is 75538804199. The next prime is 75538804273. The reversal of 75538804252 is 25240883557.

It is a super-2 number, since 2×75538804252² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75538804196 and 75538804205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9442350528 + ... + 9442350535.

Almost surely, 2^75538804252 is an apocalyptic number.

It is an amenable number.

75538804252 is a deficient number, since it is larger than the sum of its proper divisors (56654103196).

75538804252 is a wasteful number, since it uses less digits than its factorization.

75538804252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18884701067 (or 18884701065 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 75538804252 in words is "seventy-five billion, five hundred thirty-eight million, eight hundred four thousand, two hundred fifty-two".