55668038 has 4 divisors (see below), whose sum is σ = 83502060. Its totient is φ = 27834018.

The previous prime is 55668029. The next prime is 55668049. The reversal of 55668038 is 83086655.

55668038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 55667986 and 55668004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13917008 + ... + 13917011.

It is an arithmetic number, because the mean of its divisors is an integer number (20875515).

Almost surely, 2^55668038 is an apocalyptic number.

55668038 is a deficient number, since it is larger than the sum of its proper divisors (27834022).

55668038 is a wasteful number, since it uses less digits than its factorization.

55668038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27834021.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 55668038 is about 7461.1016612830. The cubic root of 55668038 is about 381.8287610928.

The spelling of 55668038 in words is "fifty-five million, six hundred sixty-eight thousand, thirty-eight".