55447275267373 has 16 divisors (see below), whose sum is σ = 61121205198144. Its totient is φ = 49879054748160.

The previous prime is 55447275267359. The next prime is 55447275267379. The reversal of 55447275267373 is 37376257274455.

It is a happy number.

It is not a de Polignac number, because 55447275267373 - 2³³ = 55438685332781 is a prime.

It is a super-2 number, since 2×55447275267373² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55447275267299 and 55447275267308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55447275267379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2627086 + ... + 10853392.

It is an arithmetic number, because the mean of its divisors is an integer number (3820075324884).

Almost surely, 2^{55447275267373} is an apocalyptic number.

It is an amenable number.

55447275267373 is a deficient number, since it is larger than the sum of its proper divisors (5673929930771).

55447275267373 is a wasteful number, since it uses less digits than its factorization.

55447275267373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232732.

The product of its digits is 1037232000, while the sum is 67.

The spelling of 55447275267373 in words is "fifty-five trillion, four hundred forty-seven billion, two hundred seventy-five million, two hundred sixty-seven thousand, three hundred seventy-three".