53395730 has 8 divisors (see below), whose sum is σ = 96112332. Its totient is φ = 21358288.

The previous prime is 53395729. The next prime is 53395739. The reversal of 53395730 is 3759335.

It can be written as a sum of positive squares in 2 ways, for example, as 53392249 + 3481 = 7307^2 + 59^2 .

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

It is a super-2 number, since 2×53395730² = 5702207964465800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53395739) 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 3 ways as a sum of consecutive naturals, for example, 2669777 + ... + 2669796.

Almost surely, 2^53395730 is an apocalyptic number.

53395730 is a deficient number, since it is larger than the sum of its proper divisors (42716602).

53395730 is a wasteful number, since it uses less digits than its factorization.

53395730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339580.

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 53395730 is about 7307.2381923679. The cubic root of 53395730 is about 376.5611481216.

The spelling of 53395730 in words is "fifty-three million, three hundred ninety-five thousand, seven hundred thirty".