53746813 has 2 divisors, whose sum is σ = 53746814. Its totient is φ = 53746812.

The previous prime is 53746769. The next prime is 53746841. The reversal of 53746813 is 31864735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 5555449 = 6942^2 + 2357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53746813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53746853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26873406 + 26873407.

It is an arithmetic number, because the mean of its divisors is an integer number (26873407).

Almost surely, 2^53746813 is an apocalyptic number.

It is an amenable number.

53746813 is a deficient number, since it is larger than the sum of its proper divisors (1).

53746813 is an equidigital number, since it uses as much as digits as its factorization.

53746813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 53746813 is about 7331.2217944896. The cubic root of 53746813 is about 377.3846566605.

The spelling of 53746813 in words is "fifty-three million, seven hundred forty-six thousand, eight hundred thirteen".