53953720 has 16 divisors (see below), whose sum is σ = 121395960. Its totient is φ = 21581472.

The previous prime is 53953649. The next prime is 53953721. The reversal of 53953720 is 2735935.

53953720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53953720² = 5822007803676800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53953721) 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 3 ways as a sum of consecutive naturals, for example, 674382 + ... + 674461.

Almost surely, 2^53953720 is an apocalyptic number.

It is an amenable number.

53953720 is an abundant number, since it is smaller than the sum of its proper divisors (67442240).

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

53953720 is a wasteful number, since it uses less digits than its factorization.

53953720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348854 (or 1348850 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 53953720 is about 7345.3195982204. The cubic root of 53953720 is about 377.8683042058.

The spelling of 53953720 in words is "fifty-three million, nine hundred fifty-three thousand, seven hundred twenty".