53124730 has 8 divisors (see below), whose sum is σ = 95624532. Its totient is φ = 21249888.

The previous prime is 53124719. The next prime is 53124739. The reversal of 53124730 is 3742135.

It can be written as a sum of positive squares in 2 ways, for example, as 52693081 + 431649 = 7259^2 + 657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 53124695 and 53124704.

It is not an unprimeable number, because it can be changed into a prime (53124739) 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, 2656227 + ... + 2656246.

Almost surely, 2^53124730 is an apocalyptic number.

53124730 is a deficient number, since it is larger than the sum of its proper divisors (42499802).

53124730 is a wasteful number, since it uses less digits than its factorization.

53124730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312480.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 53124730 is about 7288.6713466859. The cubic root of 53124730 is about 375.9230121913.

Adding to 53124730 its reverse (3742135), we get a palindrome (56866865).

The spelling of 53124730 in words is "fifty-three million, one hundred twenty-four thousand, seven hundred thirty".