53705437 has 16 divisors (see below), whose sum is σ = 57674880. Its totient is φ = 49896000.

The previous prime is 53705417. The next prime is 53705447. The reversal of 53705437 is 73450735.

It is a cyclic number.

It is not a de Polignac number, because 53705437 - 2¹⁵ = 53672669 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53705417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141514 + ... + 141892.

It is an arithmetic number, because the mean of its divisors is an integer number (3604680).

Almost surely, 2^53705437 is an apocalyptic number.

It is an amenable number.

53705437 is a deficient number, since it is larger than the sum of its proper divisors (3969443).

53705437 is a wasteful number, since it uses less digits than its factorization.

53705437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 53705437 is about 7328.3993477430. The cubic root of 53705437 is about 377.2877909098.

The spelling of 53705437 in words is "fifty-three million, seven hundred five thousand, four hundred thirty-seven".