54833240072809 has 81 divisors (see below), whose sum is σ = 63252279419511. Its totient is φ = 47497107245280.

The previous prime is 54833240072801. The next prime is 54833240072857. The reversal of 54833240072809 is 90827004233845.

The square root of 54833240072809 is 7404947.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28753221013209 + 26080019059600 = 5362203^2 + 5106860^2 .

It is not a de Polignac number, because 54833240072809 - 2³ = 54833240072801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54833240072809.

It is not an unprimeable number, because it can be changed into a prime (54833240072801) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 328342754844 + ... + 328342755010.

Almost surely, 2^{54833240072809} is an apocalyptic number.

54833240072809 is the 7404947-th square number.

54833240072809 is the 3702474-th centered octagonal number.

It is an amenable number.

54833240072809 is a deficient number, since it is larger than the sum of its proper divisors (8419039346702).

54833240072809 is an equidigital number, since it uses as much as digits as its factorization.

54833240072809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 54833240072809 in words is "fifty-four trillion, eight hundred thirty-three billion, two hundred forty million, seventy-two thousand, eight hundred nine".