87550550 has 12 divisors (see below), whose sum is σ = 162844116. Its totient is φ = 35020200.

The previous prime is 87550549. The next prime is 87550553. The reversal of 87550550 is 5505578.

It is a self number, because there is not a number n which added to its sum of digits gives 87550550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87550553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 875456 + ... + 875555.

It is an arithmetic number, because the mean of its divisors is an integer number (13570343).

Almost surely, 2^87550550 is an apocalyptic number.

87550550 is a deficient number, since it is larger than the sum of its proper divisors (75293566).

87550550 is a wasteful number, since it uses less digits than its factorization.

87550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751023 (or 1751018 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 87550550 is about 9356.8450879557. The cubic root of 87550550 is about 444.0374768842.

The spelling of 87550550 in words is "eighty-seven million, five hundred fifty thousand, five hundred fifty".