53687503 has 8 divisors (see below), whose sum is σ = 54701360. Its totient is φ = 52678080.

The previous prime is 53687477. The next prime is 53687507. The reversal of 53687503 is 30578635.

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

It is a cyclic number.

It is not a de Polignac number, because 53687503 - 2¹⁷ = 53556431 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 (53687507) 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, 32563 + ... + 34171.

It is an arithmetic number, because the mean of its divisors is an integer number (6837670).

Almost surely, 2^53687503 is an apocalyptic number.

53687503 is a deficient number, since it is larger than the sum of its proper divisors (1013857).

53687503 is a wasteful number, since it uses less digits than its factorization.

53687503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 53687503 is about 7327.1756495938. The cubic root of 53687503 is about 377.2457899944.

The spelling of 53687503 in words is "fifty-three million, six hundred eighty-seven thousand, five hundred three".