53257743 has 40 divisors (see below), whose sum is σ = 99200640. Its totient is φ = 27663120.

The previous prime is 53257723. The next prime is 53257751. The reversal of 53257743 is 34775235.

53257743 is a `hidden beast` number, since 532 + 57 + 74 + 3 = 666.

53257743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53257743 - 2⁶ = 53257679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53257698 and 53257707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53257723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1968 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (2480016).

Almost surely, 2^53257743 is an apocalyptic number.

53257743 is a deficient number, since it is larger than the sum of its proper divisors (45942897).

53257743 is a wasteful number, since it uses less digits than its factorization.

53257743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8569 (or 8560 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 53257743 is about 7297.7902819963. The cubic root of 53257743 is about 376.2364944031.

The spelling of 53257743 in words is "fifty-three million, two hundred fifty-seven thousand, seven hundred forty-three".