54123713242 has 16 divisors (see below), whose sum is σ = 81519336360. Its totient is φ = 26950647808.

The previous prime is 54123713233. The next prime is 54123713251. The reversal of 54123713242 is 24231732145.

It is an interprime number because it is at equal distance from previous prime (54123713233) and next prime (54123713251).

It can be written as a sum of positive squares in 4 ways, for example, as 54027888721 + 95824521 = 232439^2 + 9789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54123713198 and 54123713207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207684 + ... + 3224512.

Almost surely, 2^54123713242 is an apocalyptic number.

54123713242 is a deficient number, since it is larger than the sum of its proper divisors (27395623118).

54123713242 is a wasteful number, since it uses less digits than its factorization.

54123713242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23345.

The product of its digits is 40320, while the sum is 34.

The spelling of 54123713242 in words is "fifty-four billion, one hundred twenty-three million, seven hundred thirteen thousand, two hundred forty-two".