53537371870673 has 4 divisors (see below), whose sum is σ = 53678631427440. Its totient is φ = 53396112313908.

The previous prime is 53537371870657. The next prime is 53537371870681. The reversal of 53537371870673 is 37607817373535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53537371870673 - 2⁴ = 53537371870657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53537371870643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70629777815 + ... + 70629778572.

It is an arithmetic number, because the mean of its divisors is an integer number (13419657856860).

Almost surely, 2^{53537371870673} is an apocalyptic number.

It is an amenable number.

53537371870673 is a deficient number, since it is larger than the sum of its proper divisors (141259556767).

53537371870673 is a wasteful number, since it uses less digits than its factorization.

53537371870673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141259556766.

The product of its (nonzero) digits is 233377200, while the sum is 65.

The spelling of 53537371870673 in words is "fifty-three trillion, five hundred thirty-seven billion, three hundred seventy-one million, eight hundred seventy thousand, six hundred seventy-three".