53052720 has 160 divisors (see below), whose sum is σ = 196273152. Its totient is φ = 11590656.

The previous prime is 53052719. The next prime is 53052739. The reversal of 53052720 is 2725035.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37954 + ... + 39326.

Almost surely, 2^53052720 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 53052720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98136576).

53052720 is an abundant number, since it is smaller than the sum of its proper divisors (143220432).

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

53052720 is a wasteful number, since it uses less digits than its factorization.

53052720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 53052720 is about 7283.7298137699. The cubic root of 53052720 is about 375.7530821891.

Adding to 53052720 its reverse (2725035), we get a palindrome (55777755).

The spelling of 53052720 in words is "fifty-three million, fifty-two thousand, seven hundred twenty".