53984560 has 40 divisors (see below), whose sum is σ = 143446176. Its totient is φ = 18508800.

The previous prime is 53984551. The next prime is 53984563. The reversal of 53984560 is 6548935.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (53984563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47641 + ... + 48760.

Almost surely, 2^53984560 is an apocalyptic number.

It is an amenable number.

53984560 is an abundant number, since it is smaller than the sum of its proper divisors (89461616).

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

53984560 is a wasteful number, since it uses less digits than its factorization.

53984560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96421 (or 96415 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 53984560 is about 7347.4185943092. The cubic root of 53984560 is about 377.9402871252.

The spelling of 53984560 in words is "fifty-three million, nine hundred eighty-four thousand, five hundred sixty".