55555777883 has 2 divisors, whose sum is σ = 55555777884. Its totient is φ = 55555777882.

The previous prime is 55555777727. The next prime is 55555777889. The reversal of 55555777883 is 38877755555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55555777883 - 2²⁸ = 55287342427 is a prime.

It is not a weakly prime, because it can be changed into another prime (55555777889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777888941 + 27777888942.

It is an arithmetic number, because the mean of its divisors is an integer number (27777888942).

Almost surely, 2^55555777883 is an apocalyptic number.

55555777883 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555777883 is an equidigital number, since it uses as much as digits as its factorization.

55555777883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205800000, while the sum is 65.

The spelling of 55555777883 in words is "fifty-five billion, five hundred fifty-five million, seven hundred seventy-seven thousand, eight hundred eighty-three".