53903928 has 64 divisors (see below), whose sum is σ = 146028960. Its totient is φ = 16482816.

The previous prime is 53903911. The next prime is 53903929. The reversal of 53903928 is 82930935.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53903929) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61026 + ... + 61902.

Almost surely, 2^53903928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53903928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73014480).

53903928 is an abundant number, since it is smaller than the sum of its proper divisors (92125032).

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

53903928 is a wasteful number, since it uses less digits than its factorization.

53903928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 53903928 is about 7341.9294466782. The cubic root of 53903928 is about 377.7520279514.

The spelling of 53903928 in words is "fifty-three million, nine hundred three thousand, nine hundred twenty-eight".