55992842 has 4 divisors (see below), whose sum is σ = 83989266. Its totient is φ = 27996420.

The previous prime is 55992841. The next prime is 55992889. The reversal of 55992842 is 24829955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24829955 = 5 ⋅4965991.

It can be written as a sum of positive squares in only one way, i.e., 29170801 + 26822041 = 5401^2 + 5179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55992793 and 55992802.

It is not an unprimeable number, because it can be changed into a prime (55992841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13998209 + ... + 13998212.

Almost surely, 2^55992842 is an apocalyptic number.

55992842 is a deficient number, since it is larger than the sum of its proper divisors (27996424).

55992842 is a wasteful number, since it uses less digits than its factorization.

55992842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27996423.

The product of its digits is 259200, while the sum is 44.

The square root of 55992842 is about 7482.8364942714. The cubic root of 55992842 is about 382.5699349535.

The spelling of 55992842 in words is "fifty-five million, nine hundred ninety-two thousand, eight hundred forty-two".