75655055657 has 8 divisors (see below), whose sum is σ = 78180960000. Its totient is φ = 73163991600.

The previous prime is 75655055653. The next prime is 75655055669.

It is a happy number.

75655055657 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 75655055657 - 2² = 75655055653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75655055653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8705657 + ... + 8714342.

It is an arithmetic number, because the mean of its divisors is an integer number (9772620000).

Almost surely, 2^75655055657 is an apocalyptic number.

It is an amenable number.

75655055657 is a deficient number, since it is larger than the sum of its proper divisors (2525904343).

75655055657 is a wasteful number, since it uses less digits than its factorization.

75655055657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420143.

The product of its (nonzero) digits is 27562500, while the sum is 56.

The spelling of 75655055657 in words is "seventy-five billion, six hundred fifty-five million, fifty-five thousand, six hundred fifty-seven".