55413150509 has 2 divisors, whose sum is σ = 55413150510. Its totient is φ = 55413150508.

The previous prime is 55413150493. The next prime is 55413150523. The reversal of 55413150509 is 90505131455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32310062500 + 23103088009 = 179750^2 + 151997^2 .

It is a cyclic number.

It is not a de Polignac number, because 55413150509 - 2⁴ = 55413150493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55413150409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27706575254 + 27706575255.

It is an arithmetic number, because the mean of its divisors is an integer number (27706575255).

Almost surely, 2^55413150509 is an apocalyptic number.

It is an amenable number.

55413150509 is a deficient number, since it is larger than the sum of its proper divisors (1).

55413150509 is an equidigital number, since it uses as much as digits as its factorization.

55413150509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 55413150509 in words is "fifty-five billion, four hundred thirteen million, one hundred fifty thousand, five hundred nine".