553790779 has 2 divisors, whose sum is σ = 553790780. Its totient is φ = 553790778.

The previous prime is 553790761. The next prime is 553790791. The reversal of 553790779 is 977097355.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553790779 - 2⁵ = 553790747 is a prime.

It is not a weakly prime, because it can be changed into another prime (553790719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276895389 + 276895390.

It is an arithmetic number, because the mean of its divisors is an integer number (276895390).

Almost surely, 2^553790779 is an apocalyptic number.

553790779 is a deficient number, since it is larger than the sum of its proper divisors (1).

553790779 is an equidigital number, since it uses as much as digits as its factorization.

553790779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2083725, while the sum is 52.

The square root of 553790779 is about 23532.7596979190. The cubic root of 553790779 is about 821.1993054602.

The spelling of 553790779 in words is "five hundred fifty-three million, seven hundred ninety thousand, seven hundred seventy-nine".