54748606813 has 4 divisors (see below), whose sum is σ = 54750877468. Its totient is φ = 54746336160.

The previous prime is 54748606789. The next prime is 54748606817. The reversal of 54748606813 is 31860684745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31860684745 = 5 ⋅6372136949.

It can be written as a sum of positive squares in 2 ways, for example, as 5481477369 + 49267129444 = 74037^2 + 221962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54748606813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54748606817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098768 + ... + 1147513.

It is an arithmetic number, because the mean of its divisors is an integer number (13687719367).

Almost surely, 2^54748606813 is an apocalyptic number.

It is an amenable number.

54748606813 is a deficient number, since it is larger than the sum of its proper divisors (2270655).

54748606813 is a wasteful number, since it uses less digits than its factorization.

54748606813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270654.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 54748606813 in words is "fifty-four billion, seven hundred forty-eight million, six hundred six thousand, eight hundred thirteen".