55334124509 has 2 divisors, whose sum is σ = 55334124510. Its totient is φ = 55334124508.

The previous prime is 55334124497. The next prime is 55334124533. The reversal of 55334124509 is 90542143355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54287602009 + 1046522500 = 232997^2 + 32350^2 .

It is a cyclic number.

It is not a de Polignac number, because 55334124509 - 2⁴ = 55334124493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55334124709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27667062254 + 27667062255.

It is an arithmetic number, because the mean of its divisors is an integer number (27667062255).

Almost surely, 2^55334124509 is an apocalyptic number.

It is an amenable number.

55334124509 is a deficient number, since it is larger than the sum of its proper divisors (1).

55334124509 is an equidigital number, since it uses as much as digits as its factorization.

55334124509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 55334124509 in words is "fifty-five billion, three hundred thirty-four million, one hundred twenty-four thousand, five hundred nine".