54209623347 has 24 divisors (see below), whose sum is σ = 85485803520. Its totient is φ = 32829479280.

The previous prime is 54209623343. The next prime is 54209623357. The reversal of 54209623347 is 74332690245.

54209623347 is a `hidden beast` number, since 54 + 209 + 62 + 334 + 7 = 666.

It is not a de Polignac number, because 54209623347 - 2² = 54209623343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54209623343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74947 + ... + 337692.

It is an arithmetic number, because the mean of its divisors is an integer number (3561908480).

Almost surely, 2^54209623347 is an apocalyptic number.

54209623347 is a deficient number, since it is larger than the sum of its proper divisors (31276180173).

54209623347 is a wasteful number, since it uses less digits than its factorization.

54209623347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413983 (or 413980 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 54209623347 in words is "fifty-four billion, two hundred nine million, six hundred twenty-three thousand, three hundred forty-seven".