87251552 has 24 divisors (see below), whose sum is σ = 175434336. Its totient is φ = 42696832.

The previous prime is 87251543. The next prime is 87251603. The reversal of 87251552 is 25515278.

It is a super-2 number, since 2×87251552² = 15225666652817408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27503 + ... + 30510.

It is an arithmetic number, because the mean of its divisors is an integer number (7309764).

Almost surely, 2^87251552 is an apocalyptic number.

It is an amenable number.

87251552 is an abundant number, since it is smaller than the sum of its proper divisors (88182784).

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

87251552 is a wasteful number, since it uses less digits than its factorization.

87251552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58070 (or 58062 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 87251552 is about 9340.8539224206. The cubic root of 87251552 is about 443.5314159333.

The spelling of 87251552 in words is "eighty-seven million, two hundred fifty-one thousand, five hundred fifty-two".