87554543 has 8 divisors (see below), whose sum is σ = 90306240. Its totient is φ = 84823200.

The previous prime is 87554531. The next prime is 87554549. The reversal of 87554543 is 34545578.

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-87554543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87554543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87554549) 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, 3893 + ... + 13793.

It is an arithmetic number, because the mean of its divisors is an integer number (11288280).

Almost surely, 2^87554543 is an apocalyptic number.

87554543 is a deficient number, since it is larger than the sum of its proper divisors (2751697).

87554543 is a wasteful number, since it uses less digits than its factorization.

87554543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177.

The product of its digits is 336000, while the sum is 41.

The square root of 87554543 is about 9357.0584587252. The cubic root of 87554543 is about 444.0442273261.

The spelling of 87554543 in words is "eighty-seven million, five hundred fifty-four thousand, five hundred forty-three".