55651667 has 8 divisors (see below), whose sum is σ = 57782640. Its totient is φ = 53534880.

The previous prime is 55651639. The next prime is 55651669. The reversal of 55651667 is 76615655.

55651667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55651667 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (55651669) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4817 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (7222830).

Almost surely, 2^55651667 is an apocalyptic number.

55651667 is a deficient number, since it is larger than the sum of its proper divisors (2130973).

55651667 is a wasteful number, since it uses less digits than its factorization.

55651667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093.

The product of its digits is 189000, while the sum is 41.

The square root of 55651667 is about 7460.0044906153. The cubic root of 55651667 is about 381.7913276946.

The spelling of 55651667 in words is "fifty-five million, six hundred fifty-one thousand, six hundred sixty-seven".