53798749 has 2 divisors, whose sum is σ = 53798750. Its totient is φ = 53798748.

The previous prime is 53798743. The next prime is 53798813. The reversal of 53798749 is 94789735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 3175524 = 7115^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 53798749 - 2⁷ = 53798621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53798696 and 53798705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53798743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26899374 + 26899375.

It is an arithmetic number, because the mean of its divisors is an integer number (26899375).

Almost surely, 2^53798749 is an apocalyptic number.

It is an amenable number.

53798749 is a deficient number, since it is larger than the sum of its proper divisors (1).

53798749 is an equidigital number, since it uses as much as digits as its factorization.

53798749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 53798749 is about 7334.7630500242. The cubic root of 53798749 is about 377.5061741896.

The spelling of 53798749 in words is "fifty-three million, seven hundred ninety-eight thousand, seven hundred forty-nine".