54717646 has 4 divisors (see below), whose sum is σ = 82076472. Its totient is φ = 27358822.

The previous prime is 54717643. The next prime is 54717727. The reversal of 54717646 is 64671745.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54717599 and 54717608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54717643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13679410 + ... + 13679413.

It is an arithmetic number, because the mean of its divisors is an integer number (20519118).

Almost surely, 2^54717646 is an apocalyptic number.

54717646 is a deficient number, since it is larger than the sum of its proper divisors (27358826).

54717646 is a wasteful number, since it uses less digits than its factorization.

54717646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27358825.

The product of its digits is 141120, while the sum is 40.

The square root of 54717646 is about 7397.1376896743. The cubic root of 54717646 is about 379.6433542051.

The spelling of 54717646 in words is "fifty-four million, seven hundred seventeen thousand, six hundred forty-six".