53747653 has 4 divisors (see below), whose sum is σ = 53791020. Its totient is φ = 53704288.

The previous prime is 53747651. The next prime is 53747657. The reversal of 53747653 is 35674735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47361924 + 6385729 = 6882^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 53747653 - 2¹ = 53747651 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53747651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19768 + ... + 22321.

It is an arithmetic number, because the mean of its divisors is an integer number (13447755).

Almost surely, 2^53747653 is an apocalyptic number.

It is an amenable number.

53747653 is a deficient number, since it is larger than the sum of its proper divisors (43367).

53747653 is a wasteful number, since it uses less digits than its factorization.

53747653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43366.

The product of its digits is 264600, while the sum is 40.

The square root of 53747653 is about 7331.2790834888. The cubic root of 53747653 is about 377.3866226776.

The spelling of 53747653 in words is "fifty-three million, seven hundred forty-seven thousand, six hundred fifty-three".