55475557259 has 2 divisors, whose sum is σ = 55475557260. Its totient is φ = 55475557258.

The previous prime is 55475557213. The next prime is 55475557271. The reversal of 55475557259 is 95275557455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55475557259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55475557198 and 55475557207.

It is not a weakly prime, because it can be changed into another prime (55475550259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27737778629 + 27737778630.

It is an arithmetic number, because the mean of its divisors is an integer number (27737778630).

Almost surely, 2^55475557259 is an apocalyptic number.

55475557259 is a deficient number, since it is larger than the sum of its proper divisors (1).

55475557259 is an equidigital number, since it uses as much as digits as its factorization.

55475557259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55125000, while the sum is 59.

The spelling of 55475557259 in words is "fifty-five billion, four hundred seventy-five million, five hundred fifty-seven thousand, two hundred fifty-nine".