54807829 has 8 divisors (see below), whose sum is σ = 55855800. Its totient is φ = 53764800.

The previous prime is 54807821. The next prime is 54807859. The reversal of 54807829 is 92870845.

It can be written as a sum of positive squares in 4 ways, for example, as 1444804 + 53363025 = 1202^2 + 7305^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54807829 - 2³ = 54807821 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 (54807821) 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, 27147 + ... + 29095.

It is an arithmetic number, because the mean of its divisors is an integer number (6981975).

Almost surely, 2^54807829 is an apocalyptic number.

It is an amenable number.

54807829 is a deficient number, since it is larger than the sum of its proper divisors (1047971).

54807829 is a wasteful number, since it uses less digits than its factorization.

54807829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 54807829 is about 7403.2309838340. The cubic root of 54807829 is about 379.8518097148.

The spelling of 54807829 in words is "fifty-four million, eight hundred seven thousand, eight hundred twenty-nine".