54031413509 has 2 divisors, whose sum is σ = 54031413510. Its totient is φ = 54031413508.

The previous prime is 54031413409. The next prime is 54031413517. The reversal of 54031413509 is 90531413045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39242421409 + 14788992100 = 198097^2 + 121610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54031413509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54031413409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27015706754 + 27015706755.

It is an arithmetic number, because the mean of its divisors is an integer number (27015706755).

Almost surely, 2^54031413509 is an apocalyptic number.

It is an amenable number.

54031413509 is a deficient number, since it is larger than the sum of its proper divisors (1).

54031413509 is an equidigital number, since it uses as much as digits as its factorization.

54031413509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 54031413509 in words is "fifty-four billion, thirty-one million, four hundred thirteen thousand, five hundred nine".