53370720 has 144 divisors (see below), whose sum is σ = 196206192. Its totient is φ = 13132800.

The previous prime is 53370689. The next prime is 53370721. The reversal of 53370720 is 2707335.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53370721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17295 + ... + 20145.

It is an arithmetic number, because the mean of its divisors is an integer number (1362543).

Almost surely, 2^53370720 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 53370720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98103096).

53370720 is an abundant number, since it is smaller than the sum of its proper divisors (142835472).

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

53370720 is a wasteful number, since it uses less digits than its factorization.

53370720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 53370720 is about 7305.5266750591. The cubic root of 53370720 is about 376.5023465090.

It can be divided in two parts, 533 and 70720, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 53370720 in words is "fifty-three million, three hundred seventy thousand, seven hundred twenty".