53343747 has 12 divisors (see below), whose sum is σ = 78931944. Its totient is φ = 34694880.

The previous prime is 53343743. The next prime is 53343749. The reversal of 53343747 is 74734335.

It is not a de Polignac number, because 53343747 - 2² = 53343743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53343743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71913 + ... + 72650.

It is an arithmetic number, because the mean of its divisors is an integer number (6577662).

Almost surely, 2^53343747 is an apocalyptic number.

53343747 is a deficient number, since it is larger than the sum of its proper divisors (25588197).

53343747 is a wasteful number, since it uses less digits than its factorization.

53343747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144610 (or 144607 counting only the distinct ones).

The product of its digits is 105840, while the sum is 36.

The square root of 53343747 is about 7303.6803736199. The cubic root of 53343747 is about 376.4389090469.

The spelling of 53343747 in words is "fifty-three million, three hundred forty-three thousand, seven hundred forty-seven".