53032040 has 32 divisors (see below), whose sum is σ = 125604000. Its totient is φ = 20096064.

The previous prime is 53032037. The next prime is 53032073. The reversal of 53032040 is 4023035.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34130 + ... + 35649.

It is an arithmetic number, because the mean of its divisors is an integer number (3925125).

Almost surely, 2^53032040 is an apocalyptic number.

It is an amenable number.

53032040 is an abundant number, since it is smaller than the sum of its proper divisors (72571960).

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

53032040 is a wasteful number, since it uses less digits than its factorization.

53032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69809 (or 69805 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 53032040 is about 7282.3100730469. The cubic root of 53032040 is about 375.7042528760.

Adding to 53032040 its reverse (4023035), we get a palindrome (57055075).

The spelling of 53032040 in words is "fifty-three million, thirty-two thousand, forty".