553978067 has 2 divisors, whose sum is σ = 553978068. Its totient is φ = 553978066.

The previous prime is 553978057. The next prime is 553978109. The reversal of 553978067 is 760879355.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553978067 - 2⁸ = 553977811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553978057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276989033 + 276989034.

It is an arithmetic number, because the mean of its divisors is an integer number (276989034).

Almost surely, 2^553978067 is an apocalyptic number.

553978067 is a deficient number, since it is larger than the sum of its proper divisors (1).

553978067 is an equidigital number, since it uses as much as digits as its factorization.

553978067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 553978067 is about 23536.7386653291. The cubic root of 553978067 is about 821.2918695636.

The spelling of 553978067 in words is "five hundred fifty-three million, nine hundred seventy-eight thousand, sixty-seven".