53407743 has 8 divisors (see below), whose sum is σ = 72010800. Its totient is φ = 35204928.

The previous prime is 53407681. The next prime is 53407751. The reversal of 53407743 is 34770435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53407743 - 2¹³ = 53399551 is a prime.

It is a super-4 number, since 4×53407743⁴ (a number of 32 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53403743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99748 + ... + 100281.

It is an arithmetic number, because the mean of its divisors is an integer number (9001350).

Almost surely, 2^53407743 is an apocalyptic number.

53407743 is a deficient number, since it is larger than the sum of its proper divisors (18603057).

53407743 is a wasteful number, since it uses less digits than its factorization.

53407743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200121.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 53407743 is about 7308.0601393256. The cubic root of 53407743 is about 376.5893856472.

The spelling of 53407743 in words is "fifty-three million, four hundred seven thousand, seven hundred forty-three".