54987193958419 has 2 divisors, whose sum is σ = 54987193958420. Its totient is φ = 54987193958418.

The previous prime is 54987193958357. The next prime is 54987193958429. The reversal of 54987193958419 is 91485939178945.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54987193958419 is a prime.

It is a super-2 number, since 2×54987193958419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54987193958429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27493596979209 + 27493596979210.

It is an arithmetic number, because the mean of its divisors is an integer number (27493596979210).

Almost surely, 2^{54987193958419} is an apocalyptic number.

54987193958419 is a deficient number, since it is larger than the sum of its proper divisors (1).

54987193958419 is an equidigital number, since it uses as much as digits as its factorization.

54987193958419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3527193600, while the sum is 82.

The spelling of 54987193958419 in words is "fifty-four trillion, nine hundred eighty-seven billion, one hundred ninety-three million, nine hundred fifty-eight thousand, four hundred nineteen".