55085776 has 20 divisors (see below), whose sum is σ = 108234144. Its totient is φ = 27154400.

The previous prime is 55085773. The next prime is 55085861. The reversal of 55085776 is 67758055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55085773) 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, 23110 + ... + 25381.

Almost surely, 2^55085776 is an apocalyptic number.

It is an amenable number.

55085776 is a deficient number, since it is larger than the sum of its proper divisors (53148368).

55085776 is a wasteful number, since it uses less digits than its factorization.

55085776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48570 (or 48564 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 55085776 is about 7421.9792508468. The cubic root of 55085776 is about 380.4928416031.

The spelling of 55085776 in words is "fifty-five million, eighty-five thousand, seven hundred seventy-six".