54940895813 has 4 divisors (see below), whose sum is σ = 55093934880. Its totient is φ = 54787856748.

The previous prime is 54940895797. The next prime is 54940895831. The reversal of 54940895813 is 31859804945.

54940895813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54940895813 - 2⁴ = 54940895797 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 (54940895213) 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, 76518995 + ... + 76519712.

It is an arithmetic number, because the mean of its divisors is an integer number (13773483720).

Almost surely, 2^54940895813 is an apocalyptic number.

It is an amenable number.

54940895813 is a deficient number, since it is larger than the sum of its proper divisors (153039067).

54940895813 is a wasteful number, since it uses less digits than its factorization.

54940895813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153039066.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 54940895813 in words is "fifty-four billion, nine hundred forty million, eight hundred ninety-five thousand, eight hundred thirteen".