53358730 has 16 divisors (see below), whose sum is σ = 97037640. Its totient is φ = 21123072.

The previous prime is 53358703. The next prime is 53358731. The reversal of 53358730 is 3785335.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47651409 + 5707321 = 6903^2 + 2389^2 .

It is not an unprimeable number, because it can be changed into a prime (53358731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26535 + ... + 28474.

Almost surely, 2^53358730 is an apocalyptic number.

53358730 is a deficient number, since it is larger than the sum of its proper divisors (43678910).

53358730 is a wasteful number, since it uses less digits than its factorization.

53358730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55113.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 53358730 is about 7304.7060173562. The cubic root of 53358730 is about 376.4741500170.

The spelling of 53358730 in words is "fifty-three million, three hundred fifty-eight thousand, seven hundred thirty".