87750052 has 24 divisors (see below), whose sum is σ = 166119800. Its totient is φ = 40317696.

The previous prime is 87750049. The next prime is 87750053. The reversal of 87750052 is 25005778.

It can be written as a sum of positive squares in 4 ways, for example, as 37283236 + 50466816 = 6106^2 + 7104^2 .

It is not an unprimeable number, because it can be changed into a prime (87750053) 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, 8224 + ... + 15592.

Almost surely, 2^87750052 is an apocalyptic number.

It is an amenable number.

87750052 is a deficient number, since it is larger than the sum of its proper divisors (78369748).

87750052 is a wasteful number, since it uses less digits than its factorization.

87750052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615 (or 7613 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 87750052 is about 9367.4997731519. The cubic root of 87750052 is about 444.3744980387.

The spelling of 87750052 in words is "eighty-seven million, seven hundred fifty thousand, fifty-two".