55029251 has 2 divisors, whose sum is σ = 55029252. Its totient is φ = 55029250.

The previous prime is 55029203. The next prime is 55029277. The reversal of 55029251 is 15292055.

55029251 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 55029251 - 2¹⁰ = 55028227 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55029281) 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, 27514625 + 27514626.

It is an arithmetic number, because the mean of its divisors is an integer number (27514626).

Almost surely, 2^55029251 is an apocalyptic number.

55029251 is a deficient number, since it is larger than the sum of its proper divisors (1).

55029251 is an equidigital number, since it uses as much as digits as its factorization.

55029251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55029251 is about 7418.1703269742. The cubic root of 55029251 is about 380.3626524081.

The spelling of 55029251 in words is "fifty-five million, twenty-nine thousand, two hundred fifty-one".