54912319571 has 2 divisors, whose sum is σ = 54912319572. Its totient is φ = 54912319570.

The previous prime is 54912319549. The next prime is 54912319727. The reversal of 54912319571 is 17591321945.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54912319571 - 2¹⁸ = 54912057427 is a prime.

It is not a weakly prime, because it can be changed into another prime (54912319471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27456159785 + 27456159786.

It is an arithmetic number, because the mean of its divisors is an integer number (27456159786).

Almost surely, 2^54912319571 is an apocalyptic number.

54912319571 is a deficient number, since it is larger than the sum of its proper divisors (1).

54912319571 is an equidigital number, since it uses as much as digits as its factorization.

54912319571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 47.

The spelling of 54912319571 in words is "fifty-four billion, nine hundred twelve million, three hundred nineteen thousand, five hundred seventy-one".