52291488 has 48 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 17289216.

The previous prime is 52291469. The next prime is 52291511. The reversal of 52291488 is 88419225.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10048 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 2^52291488 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 52291488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69189120).

52291488 is an abundant number, since it is smaller than the sum of its proper divisors (86086752).

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

52291488 is a wasteful number, since it uses less digits than its factorization.

52291488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4421 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 52291488 is about 7231.2853629213. The cubic root of 52291488 is about 373.9472410732.

The spelling of 52291488 in words is "fifty-two million, two hundred ninety-one thousand, four hundred eighty-eight".