87075552 has 48 divisors (see below), whose sum is σ = 229485312. Its totient is φ = 28909440.

The previous prime is 87075529. The next prime is 87075557. The reversal of 87075552 is 25557078.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×87075552² = 15164303512209408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87075552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87075557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24343 + ... + 27689.

It is an arithmetic number, because the mean of its divisors is an integer number (4780944).

Almost surely, 2^87075552 is an apocalyptic number.

It is an amenable number.

87075552 is an abundant number, since it is smaller than the sum of its proper divisors (142409760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87075552 is a wasteful number, since it uses less digits than its factorization.

87075552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3623 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 87075552 is about 9331.4281865104. The cubic root of 87075552 is about 443.2329911537.

The spelling of 87075552 in words is "eighty-seven million, seventy-five thousand, five hundred fifty-two".