87054440 has 64 divisors (see below), whose sum is σ = 216941760. Its totient is φ = 31173120.

The previous prime is 87054437. The next prime is 87054463. The reversal of 87054440 is 4445078.

It is a junction number, because it is equal to n+sod(n) for n = 87054397 and 87054406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28004 + ... + 30956.

It is an arithmetic number, because the mean of its divisors is an integer number (3389715).

Almost surely, 2^87054440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87054440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108470880).

87054440 is an abundant number, since it is smaller than the sum of its proper divisors (129887320).

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

87054440 is a wasteful number, since it uses less digits than its factorization.

87054440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 87054440 is about 9330.2968870235. The cubic root of 87054440 is about 443.1971667420.

The spelling of 87054440 in words is "eighty-seven million, fifty-four thousand, four hundred forty".