55524389887 has 2 divisors, whose sum is σ = 55524389888. Its totient is φ = 55524389886.

The previous prime is 55524389867. The next prime is 55524389923. The reversal of 55524389887 is 78898342555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55524389887 - 2⁷ = 55524389759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55524389807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27762194943 + 27762194944.

It is an arithmetic number, because the mean of its divisors is an integer number (27762194944).

Almost surely, 2^55524389887 is an apocalyptic number.

55524389887 is a deficient number, since it is larger than the sum of its proper divisors (1).

55524389887 is an equidigital number, since it uses as much as digits as its factorization.

55524389887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768000, while the sum is 64.

The spelling of 55524389887 in words is "fifty-five billion, five hundred twenty-four million, three hundred eighty-nine thousand, eight hundred eighty-seven".