53488528 has 40 divisors (see below), whose sum is σ = 113530680. Its totient is φ = 24299520.

The previous prime is 53488507. The next prime is 53488529. The reversal of 53488528 is 82588435.

It can be written as a sum of positive squares in 4 ways, for example, as 13191424 + 40297104 = 3632^2 + 6348^2 .

It is a super-2 number, since 2×53488528² = 5722045255213568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53488529) 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, 4498 + ... + 11278.

It is an arithmetic number, because the mean of its divisors is an integer number (2838267).

Almost surely, 2^53488528 is an apocalyptic number.

53488528 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53488528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56765340).

53488528 is an abundant number, since it is smaller than the sum of its proper divisors (60042152).

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

53488528 is a wasteful number, since it uses less digits than its factorization.

53488528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835 (or 6829 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 53488528 is about 7313.5851673444. The cubic root of 53488528 is about 376.7791674119.

The spelling of 53488528 in words is "fifty-three million, four hundred eighty-eight thousand, five hundred twenty-eight".