53454432220535 has 4 divisors (see below), whose sum is σ = 64145318664648. Its totient is φ = 42763545776424.

The previous prime is 53454432220531. The next prime is 53454432220561. The reversal of 53454432220535 is 53502223445435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53454432220535 - 2² = 53454432220531 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 53454432220535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53454432220531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345443222049 + ... + 5345443222058.

It is an arithmetic number, because the mean of its divisors is an integer number (16036329666162).

Almost surely, 2^{53454432220535} is an apocalyptic number.

53454432220535 is a deficient number, since it is larger than the sum of its proper divisors (10690886444113).

53454432220535 is a wasteful number, since it uses less digits than its factorization.

53454432220535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690886444112.

The product of its (nonzero) digits is 8640000, while the sum is 47.

The spelling of 53454432220535 in words is "fifty-three trillion, four hundred fifty-four billion, four hundred thirty-two million, two hundred twenty thousand, five hundred thirty-five".