55005151 has 2 divisors, whose sum is σ = 55005152. Its totient is φ = 55005150.

The previous prime is 55005143. The next prime is 55005157. The reversal of 55005151 is 15150055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55005151 - 2³ = 55005143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55005157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502575 + 27502576.

It is an arithmetic number, because the mean of its divisors is an integer number (27502576).

Almost surely, 2^55005151 is an apocalyptic number.

55005151 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005151 is an equidigital number, since it uses as much as digits as its factorization.

55005151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 55005151 is about 7416.5457593141. The cubic root of 55005151 is about 380.3071178317.

The spelling of 55005151 in words is "fifty-five million, five thousand, one hundred fifty-one".