54015201791 has 2 divisors, whose sum is σ = 54015201792. Its totient is φ = 54015201790.

The previous prime is 54015201767. The next prime is 54015201833. The reversal of 54015201791 is 19710251045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54015201791 - 2²² = 54011007487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54015201701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27007600895 + 27007600896.

It is an arithmetic number, because the mean of its divisors is an integer number (27007600896).

Almost surely, 2^54015201791 is an apocalyptic number.

54015201791 is a deficient number, since it is larger than the sum of its proper divisors (1).

54015201791 is an equidigital number, since it uses as much as digits as its factorization.

54015201791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 54015201791 in words is "fifty-four billion, fifteen million, two hundred one thousand, seven hundred ninety-one".