52257743 has 4 divisors (see below), whose sum is σ = 52450848. Its totient is φ = 52064640.

The previous prime is 52257731. The next prime is 52257757. The reversal of 52257743 is 34775225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52257743 - 2¹⁰ = 52256719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52257773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96146 + ... + 96687.

It is an arithmetic number, because the mean of its divisors is an integer number (13112712).

Almost surely, 2^52257743 is an apocalyptic number.

52257743 is a deficient number, since it is larger than the sum of its proper divisors (193105).

52257743 is a wasteful number, since it uses less digits than its factorization.

52257743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193104.

The product of its digits is 58800, while the sum is 35.

The square root of 52257743 is about 7228.9517220687. The cubic root of 52257743 is about 373.8667846068.

The spelling of 52257743 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred forty-three".