55251151 has 2 divisors, whose sum is σ = 55251152. Its totient is φ = 55251150.

The previous prime is 55251121. The next prime is 55251167. The reversal of 55251151 is 15115255.

55251151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55251151 - 2⁹ = 55250639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55251121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625575 + 27625576.

It is an arithmetic number, because the mean of its divisors is an integer number (27625576).

Almost surely, 2^55251151 is an apocalyptic number.

55251151 is a deficient number, since it is larger than the sum of its proper divisors (1).

55251151 is an equidigital number, since it uses as much as digits as its factorization.

55251151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1250, while the sum is 25.

The square root of 55251151 is about 7433.1117978946. Note that the first 3 decimals coincide. The cubic root of 55251151 is about 380.8732249751.

The spelling of 55251151 in words is "fifty-five million, two hundred fifty-one thousand, one hundred fifty-one".