54140041279 has 2 divisors, whose sum is σ = 54140041280. Its totient is φ = 54140041278.

The previous prime is 54140041259. The next prime is 54140041327. The reversal of 54140041279 is 97214004145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54140041279 - 2²¹ = 54137944127 is a prime.

It is a super-2 number, since 2×54140041279² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54140041229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27070020639 + 27070020640.

It is an arithmetic number, because the mean of its divisors is an integer number (27070020640).

Almost surely, 2^54140041279 is an apocalyptic number.

54140041279 is a deficient number, since it is larger than the sum of its proper divisors (1).

54140041279 is an equidigital number, since it uses as much as digits as its factorization.

54140041279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 54140041279 in words is "fifty-four billion, one hundred forty million, forty-one thousand, two hundred seventy-nine".