57354472391 has 2 divisors, whose sum is σ = 57354472392. Its totient is φ = 57354472390.

The previous prime is 57354472369. The next prime is 57354472403. The reversal of 57354472391 is 19327445375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57354472391 - 2²² = 57350278087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57354472691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677236195 + 28677236196.

It is an arithmetic number, because the mean of its divisors is an integer number (28677236196).

Almost surely, 2^57354472391 is an apocalyptic number.

57354472391 is a deficient number, since it is larger than the sum of its proper divisors (1).

57354472391 is an equidigital number, since it uses as much as digits as its factorization.

57354472391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 50.

The spelling of 57354472391 in words is "fifty-seven billion, three hundred fifty-four million, four hundred seventy-two thousand, three hundred ninety-one".