55162078 has 4 divisors (see below), whose sum is σ = 82743120. Its totient is φ = 27581038.

The previous prime is 55162061. The next prime is 55162123. The reversal of 55162078 is 87026155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87026155 = 5 ⋅17405231.

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, 13790518 + ... + 13790521.

It is an arithmetic number, because the mean of its divisors is an integer number (20685780).

Almost surely, 2^55162078 is an apocalyptic number.

55162078 is a deficient number, since it is larger than the sum of its proper divisors (27581042).

55162078 is a wasteful number, since it uses less digits than its factorization.

55162078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27581041.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 55162078 is about 7427.1177451283. The cubic root of 55162078 is about 380.6684402936.

The spelling of 55162078 in words is "fifty-five million, one hundred sixty-two thousand, seventy-eight".