55334821556603 has 2 divisors, whose sum is σ = 55334821556604. Its totient is φ = 55334821556602.

The previous prime is 55334821556557. The next prime is 55334821556611. The reversal of 55334821556603 is 30665512843355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55334821556603 is a prime.

It is not a weakly prime, because it can be changed into another prime (55334821156603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27667410778301 + 27667410778302.

It is an arithmetic number, because the mean of its divisors is an integer number (27667410778302).

Almost surely, 2^{55334821556603} is an apocalyptic number.

55334821556603 is a deficient number, since it is larger than the sum of its proper divisors (1).

55334821556603 is an equidigital number, since it uses as much as digits as its factorization.

55334821556603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 55334821556603 in words is "fifty-five trillion, three hundred thirty-four billion, eight hundred twenty-one million, five hundred fifty-six thousand, six hundred three".