55086422 has 4 divisors (see below), whose sum is σ = 82629636. Its totient is φ = 27543210.

The previous prime is 55086419. The next prime is 55086431. The reversal of 55086422 is 22468055.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13771604 + ... + 13771607.

It is an arithmetic number, because the mean of its divisors is an integer number (20657409).

Almost surely, 2^55086422 is an apocalyptic number.

55086422 is a deficient number, since it is larger than the sum of its proper divisors (27543214).

55086422 is a wasteful number, since it uses less digits than its factorization.

55086422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27543213.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 55086422 is about 7422.0227701079. The cubic root of 55086422 is about 380.4943289647.

The spelling of 55086422 in words is "fifty-five million, eighty-six thousand, four hundred twenty-two".