55210317573 has 4 divisors (see below), whose sum is σ = 73613756768. Its totient is φ = 36806878380.

The previous prime is 55210317521. The next prime is 55210317587. The reversal of 55210317573 is 37571301255.

55210317573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 55210317573 - 2¹⁰ = 55210316549 is a prime.

It is a super-3 number, since 3×55210317573³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210319573) 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, 9201719593 + ... + 9201719598.

It is an arithmetic number, because the mean of its divisors is an integer number (18403439192).

Almost surely, 2^55210317573 is an apocalyptic number.

It is an amenable number.

55210317573 is a deficient number, since it is larger than the sum of its proper divisors (18403439195).

55210317573 is a wasteful number, since it uses less digits than its factorization.

55210317573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403439194.

The product of its (nonzero) digits is 110250, while the sum is 39.

The spelling of 55210317573 in words is "fifty-five billion, two hundred ten million, three hundred seventeen thousand, five hundred seventy-three".