75550550056001 has 4 divisors (see below), whose sum is σ = 75889341760512. Its totient is φ = 75211758351492.

The previous prime is 75550550055971. The next prime is 75550550056019. The reversal of 75550550056001 is 10065005505557.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-75550550056001 is a prime.

It is a super-2 number, since 2×75550550056001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75550550058001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169395851921 + ... + 169395852366.

It is an arithmetic number, because the mean of its divisors is an integer number (18972335440128).

Almost surely, 2^{75550550056001} is an apocalyptic number.

It is an amenable number.

75550550056001 is a deficient number, since it is larger than the sum of its proper divisors (338791704511).

75550550056001 is a wasteful number, since it uses less digits than its factorization.

75550550056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338791704510.

The product of its (nonzero) digits is 656250, while the sum is 44.

The spelling of 75550550056001 in words is "seventy-five trillion, five hundred fifty billion, five hundred fifty million, fifty-six thousand, one".