53948749 has 2 divisors, whose sum is σ = 53948750. Its totient is φ = 53948748.

The previous prime is 53948723. The next prime is 53948759. The reversal of 53948749 is 94784935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 3396649 = 7110^2 + 1843^2 .

It is a cyclic number.

It is not a de Polignac number, because 53948749 - 2⁵ = 53948717 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 (53948759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26974374 + 26974375.

It is an arithmetic number, because the mean of its divisors is an integer number (26974375).

Almost surely, 2^53948749 is an apocalyptic number.

It is an amenable number.

53948749 is a deficient number, since it is larger than the sum of its proper divisors (1).

53948749 is an equidigital number, since it uses as much as digits as its factorization.

53948749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 53948749 is about 7344.9812116846. The cubic root of 53948749 is about 377.8566989447.

The spelling of 53948749 in words is "fifty-three million, nine hundred forty-eight thousand, seven hundred forty-nine".