55085584 has 10 divisors (see below), whose sum is σ = 106728350. Its totient is φ = 27542784.

The previous prime is 55085573. The next prime is 55085647. The reversal of 55085584 is 48558055.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 8573184 = 6820^2 + 2928^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721409 + ... + 1721440.

It is an arithmetic number, because the mean of its divisors is an integer number (10672835).

Almost surely, 2^55085584 is an apocalyptic number.

It is an amenable number.

55085584 is a deficient number, since it is larger than the sum of its proper divisors (51642766).

55085584 is a wasteful number, since it uses less digits than its factorization.

55085584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442857 (or 3442851 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 55085584 is about 7421.9663162803. The cubic root of 55085584 is about 380.4923995367.

The spelling of 55085584 in words is "fifty-five million, eighty-five thousand, five hundred eighty-four".