52740628 has 6 divisors (see below), whose sum is σ = 92296106. Its totient is φ = 26370312.

The previous prime is 52740619. The next prime is 52740629. The reversal of 52740628 is 82604725.

It can be written as a sum of positive squares in only one way, i.e., 48692484 + 4048144 = 6978^2 + 2012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52740593 and 52740602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52740629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6592575 + ... + 6592582.

Almost surely, 2^52740628 is an apocalyptic number.

It is an amenable number.

52740628 is a deficient number, since it is larger than the sum of its proper divisors (39555478).

52740628 is a wasteful number, since it uses less digits than its factorization.

52740628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13185161 (or 13185159 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 52740628 is about 7262.2742994189. The cubic root of 52740628 is about 375.0148213401.

The spelling of 52740628 in words is "fifty-two million, seven hundred forty thousand, six hundred twenty-eight".