55466771 has 4 divisors (see below), whose sum is σ = 55530192. Its totient is φ = 55403352.

The previous prime is 55466753. The next prime is 55466783. The reversal of 55466771 is 17766455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55466771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55466711) 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, 30380 + ... + 32153.

It is an arithmetic number, because the mean of its divisors is an integer number (13882548).

Almost surely, 2^55466771 is an apocalyptic number.

55466771 is a deficient number, since it is larger than the sum of its proper divisors (63421).

55466771 is an equidigital number, since it uses as much as digits as its factorization.

55466771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63420.

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

The square root of 55466771 is about 7447.6016945054. The cubic root of 55466771 is about 381.3680399164.

The spelling of 55466771 in words is "fifty-five million, four hundred sixty-six thousand, seven hundred seventy-one".