55354790377 has 2 divisors, whose sum is σ = 55354790378. Its totient is φ = 55354790376.

The previous prime is 55354790341. The next prime is 55354790389. The reversal of 55354790377 is 77309745355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42051244096 + 13303546281 = 205064^2 + 115341^2 .

It is a cyclic number.

It is not a de Polignac number, because 55354790377 - 2¹¹ = 55354788329 is a prime.

It is a super-2 number, since 2×55354790377² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55354730377) 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 as a sum of consecutive naturals, namely, 27677395188 + 27677395189.

It is an arithmetic number, because the mean of its divisors is an integer number (27677395189).

Almost surely, 2^55354790377 is an apocalyptic number.

It is an amenable number.

55354790377 is a deficient number, since it is larger than the sum of its proper divisors (1).

55354790377 is an equidigital number, since it uses as much as digits as its factorization.

55354790377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13891500, while the sum is 55.

The spelling of 55354790377 in words is "fifty-five billion, three hundred fifty-four million, seven hundred ninety thousand, three hundred seventy-seven".