53487673 has 8 divisors (see below), whose sum is σ = 56186496. Its totient is φ = 50820000.

The previous prime is 53487659. The next prime is 53487703. The reversal of 53487673 is 37678435.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53487673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53787673) 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, 4228 + ... + 11173.

It is an arithmetic number, because the mean of its divisors is an integer number (7023312).

Almost surely, 2^53487673 is an apocalyptic number.

It is an amenable number.

53487673 is a deficient number, since it is larger than the sum of its proper divisors (2698823).

53487673 is a wasteful number, since it uses less digits than its factorization.

53487673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15575.

The product of its digits is 423360, while the sum is 43.

The square root of 53487673 is about 7313.5267142467. The cubic root of 53487673 is about 376.7771598294. Note that the first 3 decimals are identical.

The spelling of 53487673 in words is "fifty-three million, four hundred eighty-seven thousand, six hundred seventy-three".