53433645 has 32 divisors (see below), whose sum is σ = 87696000. Its totient is φ = 27773184.

The previous prime is 53433617. The next prime is 53433647. The reversal of 53433645 is 54633435.

It is not a de Polignac number, because 53433645 - 2⁶ = 53433581 is a prime.

It is a super-3 number, since 3×53433645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53433647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152931 + ... + 153279.

It is an arithmetic number, because the mean of its divisors is an integer number (2740500).

Almost surely, 2^53433645 is an apocalyptic number.

It is an amenable number.

53433645 is a deficient number, since it is larger than the sum of its proper divisors (34262355).

53433645 is a wasteful number, since it uses less digits than its factorization.

53433645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its digits is 64800, while the sum is 33.

The square root of 53433645 is about 7309.8320774146. The cubic root of 53433645 is about 376.6502559831.

The spelling of 53433645 in words is "fifty-three million, four hundred thirty-three thousand, six hundred forty-five".