55016406 has 12 divisors (see below), whose sum is σ = 119202252. Its totient is φ = 18338796.

The previous prime is 55016399. The next prime is 55016407. The reversal of 55016406 is 60461055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55016406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55016407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1528216 + ... + 1528251.

It is an arithmetic number, because the mean of its divisors is an integer number (9933521).

Almost surely, 2^55016406 is an apocalyptic number.

55016406 is an abundant number, since it is smaller than the sum of its proper divisors (64185846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55016406 is a wasteful number, since it uses less digits than its factorization.

55016406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056475 (or 3056472 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55016406 is about 7417.3044969180. The cubic root of 55016406 is about 380.3330551886. Note that the first 3 decimals are identical.

The spelling of 55016406 in words is "fifty-five million, sixteen thousand, four hundred six".