53614728 has 24 divisors (see below), whose sum is σ = 145206750. Its totient is φ = 17871552.

The previous prime is 53614721. The next prime is 53614741. The reversal of 53614728 is 82741635.

It can be written as a sum of positive squares in only one way, i.e., 51236964 + 2377764 = 7158^2 + 1542^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 = 53614692 and 53614701.

It is not an unprimeable number, because it can be changed into a prime (53614721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372253 + ... + 372396.

Almost surely, 2^53614728 is an apocalyptic number.

It is an amenable number.

53614728 is an abundant number, since it is smaller than the sum of its proper divisors (91592022).

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

53614728 is a wasteful number, since it uses less digits than its factorization.

53614728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744661 (or 744654 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 53614728 is about 7322.2078637526. The cubic root of 53614728 is about 377.0752569708.

The spelling of 53614728 in words is "fifty-three million, six hundred fourteen thousand, seven hundred twenty-eight".