55520670047 has 2 divisors, whose sum is σ = 55520670048. Its totient is φ = 55520670046.

The previous prime is 55520670001. The next prime is 55520670053. The reversal of 55520670047 is 74007602555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55520670047 - 2¹⁶ = 55520604511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55520669986 and 55520670013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55520670097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27760335023 + 27760335024.

It is an arithmetic number, because the mean of its divisors is an integer number (27760335024).

Almost surely, 2^55520670047 is an apocalyptic number.

55520670047 is a deficient number, since it is larger than the sum of its proper divisors (1).

55520670047 is an equidigital number, since it uses as much as digits as its factorization.

55520670047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 55520670047 in words is "fifty-five billion, five hundred twenty million, six hundred seventy thousand, forty-seven".