75525452557 has 8 divisors (see below), whose sum is σ = 76237855776. Its totient is φ = 74813170992.

The previous prime is 75525452503. The next prime is 75525452623.

75525452557 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75525452557 - 2¹⁵ = 75525419789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75525452857) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1653843 + ... + 1698895.

It is an arithmetic number, because the mean of its divisors is an integer number (9529731972).

Almost surely, 2^75525452557 is an apocalyptic number.

It is an amenable number.

75525452557 is a deficient number, since it is larger than the sum of its proper divisors (712403219).

75525452557 is a wasteful number, since it uses less digits than its factorization.

75525452557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60827.

The product of its digits is 12250000, while the sum is 52.

The spelling of 75525452557 in words is "seventy-five billion, five hundred twenty-five million, four hundred fifty-two thousand, five hundred fifty-seven".