55334364121 has 4 divisors (see below), whose sum is σ = 55488499200. Its totient is φ = 55180229044.

The previous prime is 55334364089. The next prime is 55334364157. The reversal of 55334364121 is 12146343355.

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 55334364121 - 2⁵ = 55334364089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55334364521) 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, 77067001 + ... + 77067718.

It is an arithmetic number, because the mean of its divisors is an integer number (13872124800).

Almost surely, 2^55334364121 is an apocalyptic number.

It is an amenable number.

55334364121 is a deficient number, since it is larger than the sum of its proper divisors (154135079).

55334364121 is a wasteful number, since it uses less digits than its factorization.

55334364121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154135078.

The product of its digits is 129600, while the sum is 37.

The spelling of 55334364121 in words is "fifty-five billion, three hundred thirty-four million, three hundred sixty-four thousand, one hundred twenty-one".