53385730 has 32 divisors (see below), whose sum is σ = 97776000. Its totient is φ = 20984832.

The previous prime is 53385727. The next prime is 53385733. The reversal of 53385730 is 3758335.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53385727) and next prime (53385733).

It is not an unprimeable number, because it can be changed into a prime (53385733) 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 15 ways as a sum of consecutive naturals, for example, 268171 + ... + 268369.

It is an arithmetic number, because the mean of its divisors is an integer number (3055500).

Almost surely, 2^53385730 is an apocalyptic number.

53385730 is a deficient number, since it is larger than the sum of its proper divisors (44390270).

53385730 is a wasteful number, since it uses less digits than its factorization.

53385730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

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

The square root of 53385730 is about 7306.5539072808. The cubic root of 53385730 is about 376.5376390846.

The spelling of 53385730 in words is "fifty-three million, three hundred eighty-five thousand, seven hundred thirty".