55146633361 has 2 divisors, whose sum is σ = 55146633362. Its totient is φ = 55146633360.

The previous prime is 55146633349. The next prime is 55146633433. The reversal of 55146633361 is 16333664155.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54868377600 + 278255761 = 234240^2 + 16681^2 .

It is a cyclic number.

It is not a de Polignac number, because 55146633361 - 2⁵ = 55146633329 is a prime.

It is not a weakly prime, because it can be changed into another prime (55146633301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27573316680 + 27573316681.

It is an arithmetic number, because the mean of its divisors is an integer number (27573316681).

Almost surely, 2^55146633361 is an apocalyptic number.

It is an amenable number.

55146633361 is a deficient number, since it is larger than the sum of its proper divisors (1).

55146633361 is an equidigital number, since it uses as much as digits as its factorization.

55146633361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 43.

The spelling of 55146633361 in words is "fifty-five billion, one hundred forty-six million, six hundred thirty-three thousand, three hundred sixty-one".