53750240 has 48 divisors (see below), whose sum is σ = 133675920. Its totient is φ = 20367360.

The previous prime is 53750237. The next prime is 53750267. The reversal of 53750240 is 4205735.

It is a congruent number.

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, 5801 + ... + 11880.

It is an arithmetic number, because the mean of its divisors is an integer number (2784915).

Almost surely, 2^53750240 is an apocalyptic number.

It is an amenable number.

53750240 is an abundant number, since it is smaller than the sum of its proper divisors (79925680).

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

53750240 is a wasteful number, since it uses less digits than its factorization.

53750240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17715 (or 17707 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53750240 is about 7331.4555171535. The cubic root of 53750240 is about 377.3926774134.

Adding to 53750240 its reverse (4205735), we get a palindrome (57955975).

The spelling of 53750240 in words is "fifty-three million, seven hundred fifty thousand, two hundred forty".