55164359 has 2 divisors, whose sum is σ = 55164360. Its totient is φ = 55164358.

The previous prime is 55164331. The next prime is 55164397. The reversal of 55164359 is 95346155.

It is an a-pointer prime, because the next prime (55164397) can be obtained adding 55164359 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55164359 - 2⁸ = 55164103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55164559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27582179 + 27582180.

It is an arithmetic number, because the mean of its divisors is an integer number (27582180).

Almost surely, 2^55164359 is an apocalyptic number.

55164359 is a deficient number, since it is larger than the sum of its proper divisors (1).

55164359 is an equidigital number, since it uses as much as digits as its factorization.

55164359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 55164359 is about 7427.2713024367. The cubic root of 55164359 is about 380.6736872118.

The spelling of 55164359 in words is "fifty-five million, one hundred sixty-four thousand, three hundred fifty-nine".