54721766 has 12 divisors (see below), whose sum is σ = 90223476. Its totient is φ = 24873420.

The previous prime is 54721741. The next prime is 54721783. The reversal of 54721766 is 66712745.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112820 + ... + 113303.

It is an arithmetic number, because the mean of its divisors is an integer number (7518623).

Almost surely, 2^54721766 is an apocalyptic number.

54721766 is a deficient number, since it is larger than the sum of its proper divisors (35501710).

54721766 is a wasteful number, since it uses less digits than its factorization.

54721766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226147 (or 226136 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 54721766 is about 7397.4161705287. The cubic root of 54721766 is about 379.6528824620.

The spelling of 54721766 in words is "fifty-four million, seven hundred twenty-one thousand, seven hundred sixty-six".