53898797 has 2 divisors, whose sum is σ = 53898798. Its totient is φ = 53898796.

The previous prime is 53898781. The next prime is 53898799. The reversal of 53898797 is 79789835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53743561 + 155236 = 7331^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 53898797 - 2⁴ = 53898781 is a prime.

Together with 53898799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53898799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26949398 + 26949399.

It is an arithmetic number, because the mean of its divisors is an integer number (26949399).

Almost surely, 2^53898797 is an apocalyptic number.

It is an amenable number.

53898797 is a deficient number, since it is larger than the sum of its proper divisors (1).

53898797 is an equidigital number, since it uses as much as digits as its factorization.

53898797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 56.

The square root of 53898797 is about 7341.5800070557. The cubic root of 53898797 is about 377.7400417677.

The spelling of 53898797 in words is "fifty-three million, eight hundred ninety-eight thousand, seven hundred ninety-seven".