54774979723 has 2 divisors, whose sum is σ = 54774979724. Its totient is φ = 54774979722.

The previous prime is 54774979681. The next prime is 54774979751. The reversal of 54774979723 is 32797947745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54774979723 - 2¹⁷ = 54774848651 is a prime.

It is a super-2 number, since 2×54774979723² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54774979123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27387489861 + 27387489862.

It is an arithmetic number, because the mean of its divisors is an integer number (27387489862).

Almost surely, 2^54774979723 is an apocalyptic number.

54774979723 is a deficient number, since it is larger than the sum of its proper divisors (1).

54774979723 is an equidigital number, since it uses as much as digits as its factorization.

54774979723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93350880, while the sum is 64.

The spelling of 54774979723 in words is "fifty-four billion, seven hundred seventy-four million, nine hundred seventy-nine thousand, seven hundred twenty-three".