52913720 has 16 divisors (see below), whose sum is σ = 119055960. Its totient is φ = 21165472.

The previous prime is 52913713. The next prime is 52913743. The reversal of 52913720 is 2731925.

52913720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 661382 + ... + 661461.

Almost surely, 2^52913720 is an apocalyptic number.

It is an amenable number.

52913720 is an abundant number, since it is smaller than the sum of its proper divisors (66142240).

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

52913720 is a wasteful number, since it uses less digits than its factorization.

52913720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322854 (or 1322850 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 52913720 is about 7274.1817409245. The cubic root of 52913720 is about 375.4246330573.

The spelling of 52913720 in words is "fifty-two million, nine hundred thirteen thousand, seven hundred twenty".