55380151 has 2 divisors, whose sum is σ = 55380152. Its totient is φ = 55380150.

The previous prime is 55380121. The next prime is 55380181. The reversal of 55380151 is 15108355.

55380151 is nontrivially palindromic in base 3.

55380151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (55380121) and next prime (55380181).

It is a cyclic number.

It is not a de Polignac number, because 55380151 - 2¹⁷ = 55249079 is a prime.

It is a super-2 number, since 2×55380151² = 6133922249565602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55380121) 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, 27690075 + 27690076.

It is an arithmetic number, because the mean of its divisors is an integer number (27690076).

Almost surely, 2^55380151 is an apocalyptic number.

55380151 is a deficient number, since it is larger than the sum of its proper divisors (1).

55380151 is an equidigital number, since it uses as much as digits as its factorization.

55380151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 55380151 is about 7441.7841274791. The cubic root of 55380151 is about 381.1694146259.

The spelling of 55380151 in words is "fifty-five million, three hundred eighty thousand, one hundred fifty-one".