55768967 has 2 divisors, whose sum is σ = 55768968. Its totient is φ = 55768966.

The previous prime is 55768961. The next prime is 55769017. The reversal of 55768967 is 76986755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55768967 - 2⁶ = 55768903 is a prime.

It is a super-2 number, since 2×55768967² = 6220355360494178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55768961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27884483 + 27884484.

It is an arithmetic number, because the mean of its divisors is an integer number (27884484).

Almost surely, 2^55768967 is an apocalyptic number.

55768967 is a deficient number, since it is larger than the sum of its proper divisors (1).

55768967 is an equidigital number, since it uses as much as digits as its factorization.

55768967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 53.

The square root of 55768967 is about 7467.8622777874. The cubic root of 55768967 is about 382.0593801317.

The spelling of 55768967 in words is "fifty-five million, seven hundred sixty-eight thousand, nine hundred sixty-seven".