55016942 has 4 divisors (see below), whose sum is σ = 82525416. Its totient is φ = 27508470.

The previous prime is 55016917. The next prime is 55016959. The reversal of 55016942 is 24961055.

It is a happy number.

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

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 55016899 and 55016908.

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, 13754234 + ... + 13754237.

It is an arithmetic number, because the mean of its divisors is an integer number (20631354).

Almost surely, 2^55016942 is an apocalyptic number.

55016942 is a deficient number, since it is larger than the sum of its proper divisors (27508474).

55016942 is a wasteful number, since it uses less digits than its factorization.

55016942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27508473.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 55016942 is about 7417.3406285541. The cubic root of 55016942 is about 380.3342903223.

Adding to 55016942 its reverse (24961055), we get a palindrome (79977997).

The spelling of 55016942 in words is "fifty-five million, sixteen thousand, nine hundred forty-two".