53703745 has 8 divisors (see below), whose sum is σ = 64604520. Its totient is φ = 42856320.

The previous prime is 53703743. The next prime is 53703857. The reversal of 53703745 is 54730735.

It can be written as a sum of positive squares in 4 ways, for example, as 2380849 + 51322896 = 1543^2 + 7164^2 .

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

It is not a de Polignac number, because 53703745 - 2¹ = 53703743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53703745.

It is not an unprimeable number, because it can be changed into a prime (53703743) 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, 11086 + ... + 15175.

It is an arithmetic number, because the mean of its divisors is an integer number (8075565).

Almost surely, 2^53703745 is an apocalyptic number.

It is an amenable number.

53703745 is a deficient number, since it is larger than the sum of its proper divisors (10900775).

53703745 is a wasteful number, since it uses less digits than its factorization.

53703745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26675.

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

The square root of 53703745 is about 7328.2839055266. The cubic root of 53703745 is about 377.2838286937.

The spelling of 53703745 in words is "fifty-three million, seven hundred three thousand, seven hundred forty-five".