53270480 has 80 divisors (see below), whose sum is σ = 128898000. Its totient is φ = 20459520.

The previous prime is 53270449. The next prime is 53270489. The reversal of 53270480 is 8407235.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10916416 + 42354064 = 3304^2 + 6508^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53270489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357446 + ... + 357594.

It is an arithmetic number, because the mean of its divisors is an integer number (1611225).

Almost surely, 2^53270480 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 53270480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64449000).

53270480 is an abundant number, since it is smaller than the sum of its proper divisors (75627520).

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

53270480 is a wasteful number, since it uses less digits than its factorization.

53270480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 53270480 is about 7298.6628912425. The cubic root of 53270480 is about 376.2664852988.

The spelling of 53270480 in words is "fifty-three million, two hundred seventy thousand, four hundred eighty".