54917650279 has 2 divisors, whose sum is σ = 54917650280. Its totient is φ = 54917650278.

The previous prime is 54917650273. The next prime is 54917650397. The reversal of 54917650279 is 97205671945.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54917650279 - 2¹⁷ = 54917519207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54917650273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27458825139 + 27458825140.

It is an arithmetic number, because the mean of its divisors is an integer number (27458825140).

Almost surely, 2^54917650279 is an apocalyptic number.

54917650279 is a deficient number, since it is larger than the sum of its proper divisors (1).

54917650279 is an equidigital number, since it uses as much as digits as its factorization.

54917650279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 54917650279 in words is "fifty-four billion, nine hundred seventeen million, six hundred fifty thousand, two hundred seventy-nine".