53316480 has 128 divisors (see below), whose sum is σ = 194273280. Its totient is φ = 12183552.

The previous prime is 53316469. The next prime is 53316481. The reversal of 53316480 is 8461335.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53316481) 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 15 ways as a sum of consecutive naturals, for example, 11457 + ... + 15423.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^53316480 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 53316480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97136640).

53316480 is an abundant number, since it is smaller than the sum of its proper divisors (140956800).

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

53316480 is a wasteful number, since it uses less digits than its factorization.

53316480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996 (or 3984 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 53316480 is about 7301.8134733777. The cubic root of 53316480 is about 376.3747583906.

It can be divided in two parts, 5331 and 6480, that added together give a palindrome (11811).

The spelling of 53316480 in words is "fifty-three million, three hundred sixteen thousand, four hundred eighty".