87054563 has 8 divisors (see below), whose sum is σ = 91557888. Its totient is φ = 82611144.

The previous prime is 87054511. The next prime is 87054571. The reversal of 87054563 is 36545078.

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 87054563 - 2¹⁶ = 86989027 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87054593) 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, 11981 + ... + 17822.

It is an arithmetic number, because the mean of its divisors is an integer number (11444736).

Almost surely, 2^87054563 is an apocalyptic number.

87054563 is a deficient number, since it is larger than the sum of its proper divisors (4503325).

87054563 is a wasteful number, since it uses less digits than its factorization.

87054563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29953.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 87054563 is about 9330.3034784513. The cubic root of 87054563 is about 443.1973754743.

The spelling of 87054563 in words is "eighty-seven million, fifty-four thousand, five hundred sixty-three".