54566771 has 4 divisors (see below), whose sum is σ = 62362032. Its totient is φ = 46771512.

The previous prime is 54566761. The next prime is 54566779. The reversal of 54566771 is 17766545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17766545 = 5 ⋅3553309.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54566771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54566779) 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, 3897620 + ... + 3897633.

It is an arithmetic number, because the mean of its divisors is an integer number (15590508).

Almost surely, 2^54566771 is an apocalyptic number.

54566771 is a deficient number, since it is larger than the sum of its proper divisors (7795261).

54566771 is an equidigital number, since it uses as much as digits as its factorization.

54566771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795260.

The product of its digits is 176400, while the sum is 41.

The square root of 54566771 is about 7386.9324485878. The cubic root of 54566771 is about 379.2940980900.

The spelling of 54566771 in words is "fifty-four million, five hundred sixty-six thousand, seven hundred seventy-one".