55898767 has 2 divisors, whose sum is σ = 55898768. Its totient is φ = 55898766.

The previous prime is 55898761. The next prime is 55898789. The reversal of 55898767 is 76789855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55898767 - 2¹⁹ = 55374479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55898761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27949383 + 27949384.

It is an arithmetic number, because the mean of its divisors is an integer number (27949384).

Almost surely, 2^55898767 is an apocalyptic number.

55898767 is a deficient number, since it is larger than the sum of its proper divisors (1).

55898767 is an equidigital number, since it uses as much as digits as its factorization.

55898767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 55.

The square root of 55898767 is about 7476.5477996198. The cubic root of 55898767 is about 382.3555596855.

It can be divided in two parts, 55898 and 767, that added together give a palindrome (56665).

The spelling of 55898767 in words is "fifty-five million, eight hundred ninety-eight thousand, seven hundred sixty-seven".