55850421201 has 4 divisors (see below), whose sum is σ = 74467228272. Its totient is φ = 37233614132.

The previous prime is 55850421161. The next prime is 55850421227. The reversal of 55850421201 is 10212405855.

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 55850421201 - 2⁷ = 55850421073 is a prime.

It is a super-2 number, since 2×55850421201² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55850421241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9308403531 + ... + 9308403536.

It is an arithmetic number, because the mean of its divisors is an integer number (18616807068).

Almost surely, 2^55850421201 is an apocalyptic number.

It is an amenable number.

55850421201 is a deficient number, since it is larger than the sum of its proper divisors (18616807071).

55850421201 is a wasteful number, since it uses less digits than its factorization.

55850421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18616807070.

The product of its (nonzero) digits is 16000, while the sum is 33.

The spelling of 55850421201 in words is "fifty-five billion, eight hundred fifty million, four hundred twenty-one thousand, two hundred one".