53194979 has 2 divisors, whose sum is σ = 53194980. Its totient is φ = 53194978.

The previous prime is 53194969. The next prime is 53194991. The reversal of 53194979 is 97949135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53194979 - 2⁴ = 53194963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53194919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26597489 + 26597490.

It is an arithmetic number, because the mean of its divisors is an integer number (26597490).

Almost surely, 2^53194979 is an apocalyptic number.

53194979 is a deficient number, since it is larger than the sum of its proper divisors (1).

53194979 is an equidigital number, since it uses as much as digits as its factorization.

53194979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 47.

The square root of 53194979 is about 7293.4888085196. The cubic root of 53194979 is about 376.0886386582.

The spelling of 53194979 in words is "fifty-three million, one hundred ninety-four thousand, nine hundred seventy-nine".