53347752 has 96 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 17192448.

The previous prime is 53347729. The next prime is 53347753. The reversal of 53347752 is 25774335.

53347752 is a `hidden beast` number, since 533 + 4 + 77 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (88200) is a multiple of the sum of its prime divisors (280).

It is not an unprimeable number, because it can be changed into a prime (53347753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472048 + ... + 472160.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^53347752 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 53347752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74692800).

53347752 is an abundant number, since it is smaller than the sum of its proper divisors (96037848).

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

53347752 is a wasteful number, since it uses less digits than its factorization.

53347752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 280 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 53347752 is about 7303.9545453131. The cubic root of 53347752 is about 376.4483297081.

The spelling of 53347752 in words is "fifty-three million, three hundred forty-seven thousand, seven hundred fifty-two".