87551850 has 48 divisors (see below), whose sum is σ = 219316320. Its totient is φ = 23112000.

The previous prime is 87551837. The next prime is 87551903. The reversal of 87551850 is 5815578.

It is a junction number, because it is equal to n+sod(n) for n = 87551799 and 87551808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12261 + ... + 18039.

It is an arithmetic number, because the mean of its divisors is an integer number (4569090).

Almost surely, 2^87551850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87551850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109658160).

87551850 is an abundant number, since it is smaller than the sum of its proper divisors (131764470).

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

87551850 is a wasteful number, since it uses less digits than its factorization.

87551850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 87551850 is about 9356.9145555573. The cubic root of 87551850 is about 444.0396746464.

It can be divided in two parts, 875 and 51850, that added together give a palindrome (52725).

The spelling of 87551850 in words is "eighty-seven million, five hundred fifty-one thousand, eight hundred fifty".