55053866 has 16 divisors (see below), whose sum is σ = 94582080. Its totient is φ = 23543520.

The previous prime is 55053863. The next prime is 55053893. The reversal of 55053866 is 66835055.

It is not an unprimeable number, because it can be changed into a prime (55053863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870 + ... + 10878.

It is an arithmetic number, because the mean of its divisors is an integer number (5911380).

Almost surely, 2^55053866 is an apocalyptic number.

55053866 is a deficient number, since it is larger than the sum of its proper divisors (39528214).

55053866 is a wasteful number, since it uses less digits than its factorization.

55053866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 55053866 is about 7419.8292433182. The cubic root of 55053866 is about 380.4193569841.

The spelling of 55053866 in words is "fifty-five million, fifty-three thousand, eight hundred sixty-six".