55142051 has 2 divisors, whose sum is σ = 55142052. Its totient is φ = 55142050.

The previous prime is 55142023. The next prime is 55142053. The reversal of 55142051 is 15024155.

It is a happy number.

55142051 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 55142051 - 2¹⁰ = 55141027 is a prime.

Together with 55142053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55142053) 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, 27571025 + 27571026.

It is an arithmetic number, because the mean of its divisors is an integer number (27571026).

Almost surely, 2^55142051 is an apocalyptic number.

55142051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55142051 is an equidigital number, since it uses as much as digits as its factorization.

55142051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 55142051 is about 7425.7693877470. The cubic root of 55142051 is about 380.6223665540.

The spelling of 55142051 in words is "fifty-five million, one hundred forty-two thousand, fifty-one".