53229040 has 40 divisors (see below), whose sum is σ = 131040720. Its totient is φ = 20038656.

The previous prime is 53229019. The next prime is 53229047. The reversal of 53229040 is 4092235.

It is a happy number.

53229040 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 (40).

It is a junction number, because it is equal to n+sod(n) for n = 53228996 and 53229014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53229047) 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 7 ways as a sum of consecutive naturals, for example, 18210 + ... + 20929.

It is an arithmetic number, because the mean of its divisors is an integer number (3276018).

Almost surely, 2^53229040 is an apocalyptic number.

It is an amenable number.

53229040 is an abundant number, since it is smaller than the sum of its proper divisors (77811680).

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

53229040 is a wasteful number, since it uses less digits than its factorization.

53229040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39169 (or 39163 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53229040 is about 7295.8234627765. The cubic root of 53229040 is about 376.1688919844.

The spelling of 53229040 in words is "fifty-three million, two hundred twenty-nine thousand, forty".