53178460 has 48 divisors (see below), whose sum is σ = 116292960. Its totient is φ = 20401920.

The previous prime is 53178457. The next prime is 53178467. The reversal of 53178460 is 6487135.

53178460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53178467) by changing a digit.

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, 160495 + ... + 160825.

It is an arithmetic number, because the mean of its divisors is an integer number (2422770).

Almost surely, 2^53178460 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 53178460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58146480).

53178460 is an abundant number, since it is smaller than the sum of its proper divisors (63114500).

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

53178460 is a wasteful number, since it uses less digits than its factorization.

53178460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 53178460 is about 7292.3562721524. The cubic root of 53178460 is about 376.0497048369.

The spelling of 53178460 in words is "fifty-three million, one hundred seventy-eight thousand, four hundred sixty".