54647813 has 8 divisors (see below), whose sum is σ = 60506400. Its totient is φ = 48937680.

The previous prime is 54647807. The next prime is 54647821. The reversal of 54647813 is 31874645.

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

It is not a de Polignac number, because 54647813 - 2²⁴ = 37870597 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 (54647893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36338 + ... + 37811.

It is an arithmetic number, because the mean of its divisors is an integer number (7563300).

Almost surely, 2^54647813 is an apocalyptic number.

It is an amenable number.

54647813 is a deficient number, since it is larger than the sum of its proper divisors (5858587).

54647813 is a wasteful number, since it uses less digits than its factorization.

54647813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74227.

The product of its digits is 80640, while the sum is 38.

The square root of 54647813 is about 7392.4159109184. The cubic root of 54647813 is about 379.4817797545.

The spelling of 54647813 in words is "fifty-four million, six hundred forty-seven thousand, eight hundred thirteen".