53734728 has 16 divisors (see below), whose sum is σ = 134336880. Its totient is φ = 17911568.

The previous prime is 53734721. The next prime is 53734817. The reversal of 53734728 is 82743735.

It is not an unprimeable number, because it can be changed into a prime (53734721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119450 + ... + 1119497.

It is an arithmetic number, because the mean of its divisors is an integer number (8396055).

Almost surely, 2^53734728 is an apocalyptic number.

It is an amenable number.

53734728 is an abundant number, since it is smaller than the sum of its proper divisors (80602152).

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

53734728 is a wasteful number, since it uses less digits than its factorization.

53734728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238956 (or 2238952 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 53734728 is about 7330.3975335585. The cubic root of 53734728 is about 377.3563694921.

It can be divided in two parts, 5373 and 4728, that added together give a palindrome (10101).

The spelling of 53734728 in words is "fifty-three million, seven hundred thirty-four thousand, seven hundred twenty-eight".