53290752 has 36 divisors (see below), whose sum is σ = 141833160. Its totient is φ = 17763328.

The previous prime is 53290723. The next prime is 53290753. The reversal of 53290752 is 25709235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53290753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33927 + ... + 35462.

It is an arithmetic number, because the mean of its divisors is an integer number (3939810).

Almost surely, 2^53290752 is an apocalyptic number.

It is an amenable number.

53290752 is an abundant number, since it is smaller than the sum of its proper divisors (88542408).

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

53290752 is an equidigital number, since it uses as much as digits as its factorization.

53290752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69408 (or 69394 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 53290752 is about 7300.0515066676. The cubic root of 53290752 is about 376.3142084582.

Adding to 53290752 its reverse (25709235), we get a palindrome (78999987).

The spelling of 53290752 in words is "fifty-three million, two hundred ninety thousand, seven hundred fifty-two".