53212743 has 6 divisors (see below), whose sum is σ = 76862864. Its totient is φ = 35475156.

The previous prime is 53212729. The next prime is 53212811. The reversal of 53212743 is 34721235.

53212743 is a `hidden beast` number, since 532 + 127 + 4 + 3 = 666.

It is not a de Polignac number, because 53212743 - 2⁸ = 53212487 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 (53212343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2956255 + ... + 2956272.

Almost surely, 2^53212743 is an apocalyptic number.

53212743 is a deficient number, since it is larger than the sum of its proper divisors (23650121).

53212743 is a wasteful number, since it uses less digits than its factorization.

53212743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912533 (or 5912530 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 53212743 is about 7294.7065054051. The cubic root of 53212743 is about 376.1304978410.

Adding to 53212743 its reverse (34721235), we get a palindrome (87933978).

The spelling of 53212743 in words is "fifty-three million, two hundred twelve thousand, seven hundred forty-three".