53546987 has 8 divisors (see below), whose sum is σ = 57790320. Its totient is φ = 49321440.

The previous prime is 53546981. The next prime is 53547001. The reversal of 53546987 is 78964535.

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 53546987 - 2¹⁶ = 53481451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53546981) 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, 2189 + ... + 10577.

It is an arithmetic number, because the mean of its divisors is an integer number (7223790).

Almost surely, 2^53546987 is an apocalyptic number.

53546987 is a deficient number, since it is larger than the sum of its proper divisors (4243333).

53546987 is a wasteful number, since it uses less digits than its factorization.

53546987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893.

The product of its digits is 907200, while the sum is 47.

The square root of 53546987 is about 7317.5806794322. The cubic root of 53546987 is about 376.9163813450.

The spelling of 53546987 in words is "fifty-three million, five hundred forty-six thousand, nine hundred eighty-seven".