54923903138 has 8 divisors (see below), whose sum is σ = 88723228188. Its totient is φ = 25349493744.

The previous prime is 54923903129. The next prime is 54923903149. The reversal of 54923903138 is 83130932945.

It can be written as a sum of positive squares in 2 ways, for example, as 47499151249 + 7424751889 = 217943^2 + 86167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 54923903092 and 54923903101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056228881 + ... + 1056228932.

Almost surely, 2^54923903138 is an apocalyptic number.

54923903138 is a deficient number, since it is larger than the sum of its proper divisors (33799325050).

54923903138 is a wasteful number, since it uses less digits than its factorization.

54923903138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112457828.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 54923903138 in words is "fifty-four billion, nine hundred twenty-three million, nine hundred three thousand, one hundred thirty-eight".