54486791 has 2 divisors, whose sum is σ = 54486792. Its totient is φ = 54486790.

The previous prime is 54486787. The next prime is 54486821. The reversal of 54486791 is 19768445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54486791 - 2² = 54486787 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54486781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27243395 + 27243396.

It is an arithmetic number, because the mean of its divisors is an integer number (27243396).

Almost surely, 2^54486791 is an apocalyptic number.

54486791 is a deficient number, since it is larger than the sum of its proper divisors (1).

54486791 is an equidigital number, since it uses as much as digits as its factorization.

54486791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 54486791 is about 7381.5168495371. The cubic root of 54486791 is about 379.1086935853.

The spelling of 54486791 in words is "fifty-four million, four hundred eighty-six thousand, seven hundred ninety-one".