55100051051 has 2 divisors, whose sum is σ = 55100051052. Its totient is φ = 55100051050.

The previous prime is 55100051021. The next prime is 55100051059. The reversal of 55100051051 is 15015000155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55100051051 - 2¹⁸ = 55099788907 is a prime.

It is not a weakly prime, because it can be changed into another prime (55100051059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550025525 + 27550025526.

It is an arithmetic number, because the mean of its divisors is an integer number (27550025526).

Almost surely, 2^55100051051 is an apocalyptic number.

55100051051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100051051 is an equidigital number, since it uses as much as digits as its factorization.

55100051051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 55100051051 in words is "fifty-five billion, one hundred million, fifty-one thousand, fifty-one".