53547321067 has 4 divisors (see below), whose sum is σ = 54454902840. Its totient is φ = 52639739296.

The previous prime is 53547321059. The next prime is 53547321119. The reversal of 53547321067 is 76012374535.

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 53547321067 - 2³ = 53547321059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53547321017) 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, 453790798 + ... + 453790915.

It is an arithmetic number, because the mean of its divisors is an integer number (13613725710).

Almost surely, 2^53547321067 is an apocalyptic number.

53547321067 is a deficient number, since it is larger than the sum of its proper divisors (907581773).

53547321067 is an equidigital number, since it uses as much as digits as its factorization.

53547321067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907581772.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 53547321067 in words is "fifty-three billion, five hundred forty-seven million, three hundred twenty-one thousand, sixty-seven".