55634431445977 has 2 divisors, whose sum is σ = 55634431445978. Its totient is φ = 55634431445976.

The previous prime is 55634431445959. The next prime is 55634431446019. The reversal of 55634431445977 is 77954413443655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52660914022656 + 2973517423321 = 7256784^2 + 1724389^2 .

It is a cyclic number.

It is not a de Polignac number, because 55634431445977 - 2⁷ = 55634431445849 is a prime.

It is a super-2 number, since 2×55634431445977² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55634431445477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27817215722988 + 27817215722989.

It is an arithmetic number, because the mean of its divisors is an integer number (27817215722989).

Almost surely, 2^{55634431445977} is an apocalyptic number.

It is an amenable number.

55634431445977 is a deficient number, since it is larger than the sum of its proper divisors (1).

55634431445977 is an equidigital number, since it uses as much as digits as its factorization.

55634431445977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048000, while the sum is 67.

The spelling of 55634431445977 in words is "fifty-five trillion, six hundred thirty-four billion, four hundred thirty-one million, four hundred forty-five thousand, nine hundred seventy-seven".