53669735021 has 8 divisors (see below), whose sum is σ = 61408251840. Its totient is φ = 45949071168.

The previous prime is 53669734999. The next prime is 53669735027. The reversal of 53669735021 is 12053796635.

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

It is a de Polignac number, because none of the positive numbers 2^k-53669735021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53669735027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4456796 + ... + 4468821.

It is an arithmetic number, because the mean of its divisors is an integer number (7676031480).

Almost surely, 2^53669735021 is an apocalyptic number.

It is an amenable number.

53669735021 is a deficient number, since it is larger than the sum of its proper divisors (7738516819).

53669735021 is an equidigital number, since it uses as much as digits as its factorization.

53669735021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926483.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 53669735021 in words is "fifty-three billion, six hundred sixty-nine million, seven hundred thirty-five thousand, twenty-one".