755255552557 has 4 divisors (see below), whose sum is σ = 823915148256. Its totient is φ = 686595956860.

The previous prime is 755255552543. The next prime is 755255552629.

755255552557 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 755255552557 - 2¹¹ = 755255550509 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 (755255552357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34329797833 + ... + 34329797854.

It is an arithmetic number, because the mean of its divisors is an integer number (205978787064).

Almost surely, 2^755255552557 is an apocalyptic number.

It is an amenable number.

755255552557 is a deficient number, since it is larger than the sum of its proper divisors (68659595699).

755255552557 is a wasteful number, since it uses less digits than its factorization.

755255552557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68659595698.

The product of its digits is 76562500, while the sum is 58.

The spelling of 755255552557 in words is "seven hundred fifty-five billion, two hundred fifty-five million, five hundred fifty-two thousand, five hundred fifty-seven".