54666613247 has 4 divisors (see below), whose sum is σ = 56430052416. Its totient is φ = 52903174080.

The previous prime is 54666613237. The next prime is 54666613259. The reversal of 54666613247 is 74231666645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54666613247 - 2¹⁴ = 54666596863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54666613195 and 54666613204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54666613217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881719538 + ... + 881719599.

It is an arithmetic number, because the mean of its divisors is an integer number (14107513104).

Almost surely, 2^54666613247 is an apocalyptic number.

54666613247 is a deficient number, since it is larger than the sum of its proper divisors (1763439169).

54666613247 is a wasteful number, since it uses less digits than its factorization.

54666613247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763439168.

The product of its digits is 4354560, while the sum is 50.

The spelling of 54666613247 in words is "fifty-four billion, six hundred sixty-six million, six hundred thirteen thousand, two hundred forty-seven".