53730749 has 2 divisors, whose sum is σ = 53730750. Its totient is φ = 53730748.

The previous prime is 53730713. The next prime is 53730791. The reversal of 53730749 is 94703735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53728900 + 1849 = 7330^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 53730749 - 2⁸ = 53730493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50730749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26865374 + 26865375.

It is an arithmetic number, because the mean of its divisors is an integer number (26865375).

Almost surely, 2^53730749 is an apocalyptic number.

It is an amenable number.

53730749 is a deficient number, since it is larger than the sum of its proper divisors (1).

53730749 is an equidigital number, since it uses as much as digits as its factorization.

53730749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 53730749 is about 7330.1261244265. The cubic root of 53730749 is about 377.3470549816.

The spelling of 53730749 in words is "fifty-three million, seven hundred thirty thousand, seven hundred forty-nine".