87550411 has 4 divisors (see below), whose sum is σ = 94285072. Its totient is φ = 80815752.

The previous prime is 87550409. The next prime is 87550427. The reversal of 87550411 is 11405578.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87550411 - 2¹ = 87550409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87550471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367311 + ... + 3367336.

It is an arithmetic number, because the mean of its divisors is an integer number (23571268).

Almost surely, 2^87550411 is an apocalyptic number.

87550411 is a deficient number, since it is larger than the sum of its proper divisors (6734661).

87550411 is a wasteful number, since it uses less digits than its factorization.

87550411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734660.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 87550411 is about 9356.8376602354. The cubic root of 87550411 is about 444.0372418914.

Adding to 87550411 its reverse (11405578), we get a palindrome (98955989).

The spelling of 87550411 in words is "eighty-seven million, five hundred fifty thousand, four hundred eleven".