54945000813 has 8 divisors (see below), whose sum is σ = 74353434208. Its totient is φ = 36083283984.

The previous prime is 54945000791. The next prime is 54945000823. The reversal of 54945000813 is 31800054945.

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

It is not a de Polignac number, because 54945000813 - 2²² = 54940806509 is a prime.

It is a super-2 number, since 2×54945000813² (a number of 22 digits) contains 22 as substring.

It is the 234404-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54945000823) by changing a digit.

It is a nontrivial repunit in base 234403.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136678906 + ... + 136679307.

It is an arithmetic number, because the mean of its divisors is an integer number (9294179276).

Almost surely, 2^54945000813 is an apocalyptic number.

It is an amenable number.

54945000813 is a deficient number, since it is larger than the sum of its proper divisors (19408433395).

54945000813 is a wasteful number, since it uses less digits than its factorization.

54945000813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273358283.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 54945000813 in words is "fifty-four billion, nine hundred forty-five million, eight hundred thirteen", and thus it is an aban number.