53734709 has 16 divisors (see below), whose sum is σ = 63985920. Its totient is φ = 44150400.

The previous prime is 53734669. The next prime is 53734721. The reversal of 53734709 is 90743735.

It is not a de Polignac number, because 53734709 - 2⁸ = 53734453 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 (53731709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29777 + ... + 31529.

It is an arithmetic number, because the mean of its divisors is an integer number (3999120).

Almost surely, 2^53734709 is an apocalyptic number.

It is an amenable number.

53734709 is a deficient number, since it is larger than the sum of its proper divisors (10251211).

53734709 is a wasteful number, since it uses less digits than its factorization.

53734709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 53734709 is about 7330.3962375850. The cubic root of 53734709 is about 377.3563250158.

The spelling of 53734709 in words is "fifty-three million, seven hundred thirty-four thousand, seven hundred nine".