53147040 has 96 divisors (see below), whose sum is σ = 168448896. Its totient is φ = 14085120.

The previous prime is 53147033. The next prime is 53147063. The reversal of 53147040 is 4074135.

53147040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53147040.

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, 126030 + ... + 126450.

It is an arithmetic number, because the mean of its divisors is an integer number (1754676).

Almost surely, 2^53147040 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 53147040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84224448).

53147040 is an abundant number, since it is smaller than the sum of its proper divisors (115301856).

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

53147040 is a wasteful number, since it uses less digits than its factorization.

53147040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 53147040 is about 7290.2016433018. The cubic root of 53147040 is about 375.9756284188.

53147040 divided by its sum of digits (24) gives a triangular number (2214460 = T₂₁₀₄).

The spelling of 53147040 in words is "fifty-three million, one hundred forty-seven thousand, forty".