55411962121 has 8 divisors (see below), whose sum is σ = 58390650080. Its totient is φ = 52439501088.

The previous prime is 55411962113. The next prime is 55411962127. The reversal of 55411962121 is 12126911455.

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 55411962121 - 2³ = 55411962113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55411962127) 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 7 ways as a sum of consecutive naturals, for example, 1538451 + ... + 1574056.

It is an arithmetic number, because the mean of its divisors is an integer number (7298831260).

Almost surely, 2^55411962121 is an apocalyptic number.

It is an amenable number.

55411962121 is a deficient number, since it is larger than the sum of its proper divisors (2978687959).

55411962121 is a wasteful number, since it uses less digits than its factorization.

55411962121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113463.

The product of its digits is 21600, while the sum is 37.

The spelling of 55411962121 in words is "fifty-five billion, four hundred eleven million, nine hundred sixty-two thousand, one hundred twenty-one".