55529454427 has 2 divisors, whose sum is σ = 55529454428. Its totient is φ = 55529454426.

The previous prime is 55529454419. The next prime is 55529454437. The reversal of 55529454427 is 72445492555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55529454427 - 2³ = 55529454419 is a prime.

It is not a weakly prime, because it can be changed into another prime (55529454437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27764727213 + 27764727214.

It is an arithmetic number, because the mean of its divisors is an integer number (27764727214).

Almost surely, 2^55529454427 is an apocalyptic number.

55529454427 is a deficient number, since it is larger than the sum of its proper divisors (1).

55529454427 is an equidigital number, since it uses as much as digits as its factorization.

55529454427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080000, while the sum is 52.

The spelling of 55529454427 in words is "fifty-five billion, five hundred twenty-nine million, four hundred fifty-four thousand, four hundred twenty-seven".