53385480 has 80 divisors (see below), whose sum is σ = 179445420. Its totient is φ = 14235264.

The previous prime is 53385463. The next prime is 53385481. The reversal of 53385480 is 8458335.

53385480 is a `hidden beast` number, since 533 + 85 + 48 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52099524 + 1285956 = 7218^2 + 1134^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53385481) 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 19 ways as a sum of consecutive naturals, for example, 4999 + ... + 11478.

Almost surely, 2^53385480 is an apocalyptic number.

It is an amenable number.

53385480 is an abundant number, since it is smaller than the sum of its proper divisors (126059940).

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

53385480 is a wasteful number, since it uses less digits than its factorization.

53385480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500 (or 16487 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 53385480 is about 7306.5367993325. The cubic root of 53385480 is about 376.5370513210.

The spelling of 53385480 in words is "fifty-three million, three hundred eighty-five thousand, four hundred eighty".