53178984 has 64 divisors (see below), whose sum is σ = 148608000. Its totient is φ = 17619840.

The previous prime is 53178977. The next prime is 53179019. The reversal of 53178984 is 48987135.

53178984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40612 + ... + 41900.

It is an arithmetic number, because the mean of its divisors is an integer number (2322000).

Almost surely, 2^53178984 is an apocalyptic number.

53178984 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53178984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74304000).

53178984 is an abundant number, since it is smaller than the sum of its proper divisors (95429016).

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

53178984 is a wasteful number, since it uses less digits than its factorization.

53178984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1485 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 53178984 is about 7292.3922000946. The cubic root of 53178984 is about 376.0509399824.

The spelling of 53178984 in words is "fifty-three million, one hundred seventy-eight thousand, nine hundred eighty-four".