53726251 has 2 divisors, whose sum is σ = 53726252. Its totient is φ = 53726250.

The previous prime is 53726227. The next prime is 53726269. The reversal of 53726251 is 15262735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53726251 - 2¹³ = 53718059 is a prime.

It is not a weakly prime, because it can be changed into another prime (53726051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26863125 + 26863126.

It is an arithmetic number, because the mean of its divisors is an integer number (26863126).

Almost surely, 2^53726251 is an apocalyptic number.

53726251 is a deficient number, since it is larger than the sum of its proper divisors (1).

53726251 is an equidigital number, since it uses as much as digits as its factorization.

53726251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 53726251 is about 7329.8193020019. The cubic root of 53726251 is about 377.3365249813.

Adding to 53726251 its reverse (15262735), we get a palindrome (68988986).

The spelling of 53726251 in words is "fifty-three million, seven hundred twenty-six thousand, two hundred fifty-one".