54957676493 has 4 divisors (see below), whose sum is σ = 54997705308. Its totient is φ = 54917647680.

The previous prime is 54957676481. The next prime is 54957676513. The reversal of 54957676493 is 39467675945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40938642889 + 14019033604 = 202333^2 + 118402^2 .

It is a cyclic number.

It is not a de Polignac number, because 54957676493 - 2²⁶ = 54890567629 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 (54957676093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20012348 + ... + 20015093.

It is an arithmetic number, because the mean of its divisors is an integer number (13749426327).

Almost surely, 2^54957676493 is an apocalyptic number.

It is an amenable number.

54957676493 is a deficient number, since it is larger than the sum of its proper divisors (40028815).

54957676493 is a wasteful number, since it uses less digits than its factorization.

54957676493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40028814.

The product of its digits is 171460800, while the sum is 65.

The spelling of 54957676493 in words is "fifty-four billion, nine hundred fifty-seven million, six hundred seventy-six thousand, four hundred ninety-three".