55071715757 has 4 divisors (see below), whose sum is σ = 55221775296. Its totient is φ = 54921656220.

The previous prime is 55071715753. The next prime is 55071715789. The reversal of 55071715757 is 75751717055.

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 55071715757 - 2² = 55071715753 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 (55071715753) 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 3 ways as a sum of consecutive naturals, for example, 75029219 + ... + 75029952.

It is an arithmetic number, because the mean of its divisors is an integer number (13805443824).

Almost surely, 2^55071715757 is an apocalyptic number.

It is an amenable number.

55071715757 is a deficient number, since it is larger than the sum of its proper divisors (150059539).

55071715757 is a wasteful number, since it uses less digits than its factorization.

55071715757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150059538.

The product of its (nonzero) digits is 1500625, while the sum is 50.

The spelling of 55071715757 in words is "fifty-five billion, seventy-one million, seven hundred fifteen thousand, seven hundred fifty-seven".