75532023557 has 8 divisors (see below), whose sum is σ = 79020531072. Its totient is φ = 72121909600.

The previous prime is 75532023547. The next prime is 75532023577.

75532023557 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 75532023557 - 2³⁶ = 6812546821 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 (75532023547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19596419 + ... + 19600272.

It is an arithmetic number, because the mean of its divisors is an integer number (9877566384).

Almost surely, 2^75532023557 is an apocalyptic number.

It is an amenable number.

75532023557 is a deficient number, since it is larger than the sum of its proper divisors (3488507515).

75532023557 is a wasteful number, since it uses less digits than its factorization.

75532023557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39196779.

The product of its (nonzero) digits is 1102500, while the sum is 44.

It can be divided in two parts, 755320 and 23557, that added together give a palindrome (778877).

The spelling of 75532023557 in words is "seventy-five billion, five hundred thirty-two million, twenty-three thousand, five hundred fifty-seven".