53249743 has 2 divisors, whose sum is σ = 53249744. Its totient is φ = 53249742.

The previous prime is 53249741. The next prime is 53249753. The reversal of 53249743 is 34794235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53249743 - 2¹ = 53249741 is a prime.

Together with 53249741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53249741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26624871 + 26624872.

It is an arithmetic number, because the mean of its divisors is an integer number (26624872).

Almost surely, 2^53249743 is an apocalyptic number.

53249743 is a deficient number, since it is larger than the sum of its proper divisors (1).

53249743 is an equidigital number, since it uses as much as digits as its factorization.

53249743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 53249743 is about 7297.2421502921. The cubic root of 53249743 is about 376.2176549348.

The spelling of 53249743 in words is "fifty-three million, two hundred forty-nine thousand, seven hundred forty-three".