53644803 has 16 divisors (see below), whose sum is σ = 72974496. Its totient is φ = 35043840.

The previous prime is 53644793. The next prime is 53644817. The reversal of 53644803 is 30844635.

It is not a de Polignac number, because 53644803 - 2⁶ = 53644739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53644883) 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, 78901 + ... + 79577.

It is an arithmetic number, because the mean of its divisors is an integer number (4560906).

Almost surely, 2^53644803 is an apocalyptic number.

53644803 is a deficient number, since it is larger than the sum of its proper divisors (19329693).

53644803 is a wasteful number, since it uses less digits than its factorization.

53644803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 53644803 is about 7324.2612596766. The cubic root of 53644803 is about 377.1457501541.

The spelling of 53644803 in words is "fifty-three million, six hundred forty-four thousand, eight hundred three".