55144151 has 2 divisors, whose sum is σ = 55144152. Its totient is φ = 55144150.

The previous prime is 55144147. The next prime is 55144157. The reversal of 55144151 is 15144155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55144151 - 2² = 55144147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55144151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55144157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27572075 + 27572076.

It is an arithmetic number, because the mean of its divisors is an integer number (27572076).

Almost surely, 2^55144151 is an apocalyptic number.

55144151 is a deficient number, since it is larger than the sum of its proper divisors (1).

55144151 is an equidigital number, since it uses as much as digits as its factorization.

55144151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000, while the sum is 26.

The square root of 55144151 is about 7425.9107858902. The cubic root of 55144151 is about 380.6271982980.

The spelling of 55144151 in words is "fifty-five million, one hundred forty-four thousand, one hundred fifty-one".