54055091479 has 2 divisors, whose sum is σ = 54055091480. Its totient is φ = 54055091478.

The previous prime is 54055091423. The next prime is 54055091567. The reversal of 54055091479 is 97419055045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54055091479 - 2²¹ = 54052994327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54050091479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27027545739 + 27027545740.

It is an arithmetic number, because the mean of its divisors is an integer number (27027545740).

Almost surely, 2^54055091479 is an apocalyptic number.

54055091479 is a deficient number, since it is larger than the sum of its proper divisors (1).

54055091479 is an equidigital number, since it uses as much as digits as its factorization.

54055091479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 54055091479 in words is "fifty-four billion, fifty-five million, ninety-one thousand, four hundred seventy-nine".