53915420 has 24 divisors (see below), whose sum is σ = 121932384. Its totient is φ = 19907136.

The previous prime is 53915419. The next prime is 53915423. The reversal of 53915420 is 2451935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53915423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103424 + ... + 103943.

It is an arithmetic number, because the mean of its divisors is an integer number (5080516).

Almost surely, 2^53915420 is an apocalyptic number.

It is an amenable number.

53915420 is an abundant number, since it is smaller than the sum of its proper divisors (68016964).

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

53915420 is a wasteful number, since it uses less digits than its factorization.

53915420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207389 (or 207387 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 53915420 is about 7342.7120330298. The cubic root of 53915420 is about 377.7788708798.

The spelling of 53915420 in words is "fifty-three million, nine hundred fifteen thousand, four hundred twenty".