52424730 has 48 divisors (see below), whose sum is σ = 136926504. Its totient is φ = 13916160.

The previous prime is 52424707. The next prime is 52424737. The reversal of 52424730 is 3742425.

It can be written as a sum of positive squares in 4 ways, for example, as 52403121 + 21609 = 7239^2 + 147^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52424694 and 52424703.

It is not an unprimeable number, because it can be changed into a prime (52424737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20482 + ... + 22898.

Almost surely, 2^52424730 is an apocalyptic number.

52424730 is an abundant number, since it is smaller than the sum of its proper divisors (84501774).

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

52424730 is a wasteful number, since it uses less digits than its factorization.

52424730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2668 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 52424730 is about 7240.4923865715. The cubic root of 52424730 is about 374.2645853837.

The spelling of 52424730 in words is "fifty-two million, four hundred twenty-four thousand, seven hundred thirty".