55953063949 has 2 divisors, whose sum is σ = 55953063950. Its totient is φ = 55953063948.

The previous prime is 55953063889. The next prime is 55953063961. The reversal of 55953063949 is 94936035955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46919892100 + 9033171849 = 216610^2 + 95043^2 .

It is a cyclic number.

It is not a de Polignac number, because 55953063949 - 2⁷ = 55953063821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55953063893 and 55953063902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55953063149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27976531974 + 27976531975.

It is an arithmetic number, because the mean of its divisors is an integer number (27976531975).

Almost surely, 2^55953063949 is an apocalyptic number.

It is an amenable number.

55953063949 is a deficient number, since it is larger than the sum of its proper divisors (1).

55953063949 is an equidigital number, since it uses as much as digits as its factorization.

55953063949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683000, while the sum is 58.

The spelling of 55953063949 in words is "fifty-five billion, nine hundred fifty-three million, sixty-three thousand, nine hundred forty-nine".