53063537 has 6 divisors (see below), whose sum is σ = 54831474. Its totient is φ = 51350880.

The previous prime is 53063503. The next prime is 53063539. The reversal of 53063537 is 73536035.

It can be written as a sum of positive squares in only one way, i.e., 48219136 + 4844401 = 6944^2 + 2201^2 .

It is not a de Polignac number, because 53063537 - 2²⁰ = 52014961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53063539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26648 + ... + 28569.

It is an arithmetic number, because the mean of its divisors is an integer number (9138579).

Almost surely, 2^53063537 is an apocalyptic number.

It is an amenable number.

53063537 is a deficient number, since it is larger than the sum of its proper divisors (1767937).

53063537 is an equidigital number, since it uses as much as digits as its factorization.

53063537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55279 (or 55248 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 32.

The square root of 53063537 is about 7284.4723213147. The cubic root of 53063537 is about 375.7786180767.

The spelling of 53063537 in words is "fifty-three million, sixty-three thousand, five hundred thirty-seven".