53702928 has 60 divisors (see below), whose sum is σ = 151431280. Its totient is φ = 17765568.

The previous prime is 53702923. The next prime is 53702959. The reversal of 53702928 is 82920735.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53702892 and 53702901.

It is not an unprimeable number, because it can be changed into a prime (53702923) 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 11 ways as a sum of consecutive naturals, for example, 18675 + ... + 21357.

Almost surely, 2^53702928 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 53702928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75715640).

53702928 is an abundant number, since it is smaller than the sum of its proper divisors (97728352).

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

53702928 is a wasteful number, since it uses less digits than its factorization.

53702928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 53702928 is about 7328.2281623869. The cubic root of 53702928 is about 377.2819154661.

The spelling of 53702928 in words is "fifty-three million, seven hundred two thousand, nine hundred twenty-eight".