55943146962121 has 16 divisors (see below), whose sum is σ = 60453315285264. Its totient is φ = 51571817549824.

The previous prime is 55943146962083. The next prime is 55943146962163. The reversal of 55943146962121 is 12126964134955.

It can be written as a sum of positive squares in 8 ways, for example, as 14754540874896 + 41188606087225 = 3841164^2 + 6417835^2 .

It is a cyclic number.

It is not a de Polignac number, because 55943146962121 - 2¹¹ = 55943146960073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55943146962821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51818206 + ... + 52886791.

It is an arithmetic number, because the mean of its divisors is an integer number (3778332205329).

Almost surely, 2^{55943146962121} is an apocalyptic number.

It is an amenable number.

55943146962121 is a deficient number, since it is larger than the sum of its proper divisors (4510168323143).

55943146962121 is a wasteful number, since it uses less digits than its factorization.

55943146962121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104705660.

The product of its digits is 13996800, while the sum is 58.

The spelling of 55943146962121 in words is "fifty-five trillion, nine hundred forty-three billion, one hundred forty-six million, nine hundred sixty-two thousand, one hundred twenty-one".