53100240 has 40 divisors (see below), whose sum is σ = 164611488. Its totient is φ = 14160000.

The previous prime is 53100239. The next prime is 53100259. The reversal of 53100240 is 4200135.

53100240 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 Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 110386 + ... + 110865.

Almost surely, 2^53100240 is an apocalyptic number.

It is an amenable number.

53100240 is an abundant number, since it is smaller than the sum of its proper divisors (111511248).

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

53100240 is a wasteful number, since it uses less digits than its factorization.

53100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221267 (or 221261 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 53100240 is about 7286.9911486155. The cubic root of 53100240 is about 375.8652376569.

Adding to 53100240 its reverse (4200135), we get a palindrome (57300375).

The spelling of 53100240 in words is "fifty-three million, one hundred thousand, two hundred forty".