55005500051 has 2 divisors, whose sum is σ = 55005500052. Its totient is φ = 55005500050.

The previous prime is 55005500029. The next prime is 55005500089. The reversal of 55005500051 is 15000550055.

55005500051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55005500051 - 2³⁴ = 37825630867 is a prime.

It is a super-2 number, since 2×55005500051² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55005503051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502750025 + 27502750026.

It is an arithmetic number, because the mean of its divisors is an integer number (27502750026).

Almost surely, 2^55005500051 is an apocalyptic number.

55005500051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005500051 is an equidigital number, since it uses as much as digits as its factorization.

55005500051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 55005500051 in words is "fifty-five billion, five million, five hundred thousand, fifty-one".