53378528 has 48 divisors (see below), whose sum is σ = 123992064. Its totient is φ = 22135680.

The previous prime is 53378527. The next prime is 53378537. The reversal of 53378528 is 82587335.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53378527) 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, 3101 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (2583168).

Almost surely, 2^53378528 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 53378528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61996032).

53378528 is an abundant number, since it is smaller than the sum of its proper divisors (70613536).

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

53378528 is a wasteful number, since it uses less digits than its factorization.

53378528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735 (or 7727 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 53378528 is about 7306.0610454608. The cubic root of 53378528 is about 376.5207060575.

The spelling of 53378528 in words is "fifty-three million, three hundred seventy-eight thousand, five hundred twenty-eight".