75252502553 has 4 divisors (see below), whose sum is σ = 75255410688. Its totient is φ = 75249594420.

The previous prime is 75252502541. The next prime is 75252502561. The reversal of 75252502553 is 35520525257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75252502553 - 2⁴ = 75252502537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75252502553.

It is not an unprimeable number, because it can be changed into a prime (75252502253) 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 3 ways as a sum of consecutive naturals, for example, 1414901 + ... + 1467122.

It is an arithmetic number, because the mean of its divisors is an integer number (18813852672).

Almost surely, 2^75252502553 is an apocalyptic number.

It is an amenable number.

75252502553 is a deficient number, since it is larger than the sum of its proper divisors (2908135).

75252502553 is a wasteful number, since it uses less digits than its factorization.

75252502553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908134.

The product of its (nonzero) digits is 525000, while the sum is 41.

The spelling of 75252502553 in words is "seventy-five billion, two hundred fifty-two million, five hundred two thousand, five hundred fifty-three".