55356667 has 2 divisors, whose sum is σ = 55356668. Its totient is φ = 55356666.

The previous prime is 55356661. The next prime is 55356677. The reversal of 55356667 is 76665355.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55356667 is a prime.

It is not a weakly prime, because it can be changed into another prime (55356661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27678333 + 27678334.

It is an arithmetic number, because the mean of its divisors is an integer number (27678334).

Almost surely, 2^55356667 is an apocalyptic number.

55356667 is a deficient number, since it is larger than the sum of its proper divisors (1).

55356667 is an equidigital number, since it uses as much as digits as its factorization.

55356667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 43.

The square root of 55356667 is about 7440.2061127364. The cubic root of 55356667 is about 381.1155286039.

The spelling of 55356667 in words is "fifty-five million, three hundred fifty-six thousand, six hundred sixty-seven".