55142093 has 2 divisors, whose sum is σ = 55142094. Its totient is φ = 55142092.

The previous prime is 55142081. The next prime is 55142141. The reversal of 55142093 is 39024155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47513449 + 7628644 = 6893^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 55142093 - 2¹⁴ = 55125709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55142023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27571046 + 27571047.

It is an arithmetic number, because the mean of its divisors is an integer number (27571047).

Almost surely, 2^55142093 is an apocalyptic number.

It is an amenable number.

55142093 is a deficient number, since it is larger than the sum of its proper divisors (1).

55142093 is an equidigital number, since it uses as much as digits as its factorization.

55142093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 55142093 is about 7425.7722157362. The cubic root of 55142093 is about 380.6224631901.

The spelling of 55142093 in words is "fifty-five million, one hundred forty-two thousand, ninety-three".