55527218479 has 2 divisors, whose sum is σ = 55527218480. Its totient is φ = 55527218478.

The previous prime is 55527218437. The next prime is 55527218489. The reversal of 55527218479 is 97481272555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55527218479 - 2¹¹ = 55527216431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55527218489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763609239 + 27763609240.

It is an arithmetic number, because the mean of its divisors is an integer number (27763609240).

Almost surely, 2^55527218479 is an apocalyptic number.

55527218479 is a deficient number, since it is larger than the sum of its proper divisors (1).

55527218479 is an equidigital number, since it uses as much as digits as its factorization.

55527218479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056000, while the sum is 55.

The spelling of 55527218479 in words is "fifty-five billion, five hundred twenty-seven million, two hundred eighteen thousand, four hundred seventy-nine".