755242557 has 8 divisors (see below), whose sum is σ = 1034206176. Its totient is φ = 489886992.

The previous prime is 755242531. The next prime is 755242573.

755242557 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 755242557 - 2¹⁰ = 755241533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755242507) 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 7 ways as a sum of consecutive naturals, for example, 3401883 + ... + 3402104.

It is an arithmetic number, because the mean of its divisors is an integer number (129275772).

Almost surely, 2^755242557 is an apocalyptic number.

It is an amenable number.

755242557 is a deficient number, since it is larger than the sum of its proper divisors (278963619).

755242557 is a wasteful number, since it uses less digits than its factorization.

755242557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804027.

The product of its digits is 490000, while the sum is 42.

The square root of 755242557 is about 27481.6767501548. The cubic root of 755242557 is about 910.6723513996.

The spelling of 755242557 in words is "seven hundred fifty-five million, two hundred forty-two thousand, five hundred fifty-seven".