53460032221 has 8 divisors (see below), whose sum is σ = 55789605504. Its totient is φ = 51130894320.

The previous prime is 53460032203. The next prime is 53460032237. The reversal of 53460032221 is 12223006435.

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

It is a cyclic number.

It is not a de Polignac number, because 53460032221 - 2¹³ = 53460024029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53460032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53460032201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155800 + ... + 362206.

It is an arithmetic number, because the mean of its divisors is an integer number (6973700688).

Almost surely, 2^53460032221 is an apocalyptic number.

It is an amenable number.

53460032221 is a deficient number, since it is larger than the sum of its proper divisors (2329573283).

53460032221 is a wasteful number, since it uses less digits than its factorization.

53460032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217691.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 53460032221 its reverse (12223006435), we get a palindrome (65683038656).

The spelling of 53460032221 in words is "fifty-three billion, four hundred sixty million, thirty-two thousand, two hundred twenty-one".