55550055050051 has 2 divisors, whose sum is σ = 55550055050052. Its totient is φ = 55550055050050.

The previous prime is 55550055050027. The next prime is 55550055050069. The reversal of 55550055050051 is 15005055005555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55550055050051 - 2³⁸ = 55275177143107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55550055049990 and 55550055050008.

It is not a weakly prime, because it can be changed into another prime (55550055050951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775027525025 + 27775027525026.

It is an arithmetic number, because the mean of its divisors is an integer number (27775027525026).

Almost surely, 2^{55550055050051} is an apocalyptic number.

55550055050051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550055050051 is an equidigital number, since it uses as much as digits as its factorization.

55550055050051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 390625, while the sum is 41.

The spelling of 55550055050051 in words is "fifty-five trillion, five hundred fifty billion, fifty-five million, fifty thousand, fifty-one".