53159040 has 192 divisors, whose sum is σ = 200491200. Its totient is φ = 12871680.

The previous prime is 53159009. The next prime is 53159063. The reversal of 53159040 is 4095135.

53159040 is a `hidden beast` number, since 5 + 31 + 590 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 53158995 and 53159013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62941 + ... + 63779.

It is an arithmetic number, because the mean of its divisors is an integer number (1044225).

Almost surely, 2^53159040 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 53159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100245600).

53159040 is an abundant number, since it is smaller than the sum of its proper divisors (147332160).

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

53159040 is a wasteful number, since it uses less digits than its factorization.

53159040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 53159040 is about 7291.0246193522. The cubic root of 53159040 is about 376.0039233030.

The spelling of 53159040 in words is "fifty-three million, one hundred fifty-nine thousand, forty".