54851233217 has 12 divisors (see below), whose sum is σ = 60887979348. Its totient is φ = 49371036000.

The previous prime is 54851233201. The next prime is 54851233277. The reversal of 54851233217 is 71233215845.

It can be written as a sum of positive squares in 2 ways, for example, as 48501693361 + 6349539856 = 220231^2 + 79684^2 .

It is not a de Polignac number, because 54851233217 - 2⁴ = 54851233201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54851233277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2231918 + ... + 2256359.

It is an arithmetic number, because the mean of its divisors is an integer number (5073998279).

Almost surely, 2^54851233217 is an apocalyptic number.

It is an amenable number.

54851233217 is a deficient number, since it is larger than the sum of its proper divisors (6036746131).

54851233217 is a wasteful number, since it uses less digits than its factorization.

54851233217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488400 (or 4488389 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The spelling of 54851233217 in words is "fifty-four billion, eight hundred fifty-one million, two hundred thirty-three thousand, two hundred seventeen".