5545272374521 has 4 divisors (see below), whose sum is σ = 6049388044944. Its totient is φ = 5041156704100.

The previous prime is 5545272374513. The next prime is 5545272374597. The reversal of 5545272374521 is 1254732725455.

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 5545272374521 - 2³ = 5545272374513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5545272374221) 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, 252057835195 + ... + 252057835216.

It is an arithmetic number, because the mean of its divisors is an integer number (1512347011236).

Almost surely, 2^{5545272374521} is an apocalyptic number.

It is an amenable number.

5545272374521 is a deficient number, since it is larger than the sum of its proper divisors (504115670423).

5545272374521 is a wasteful number, since it uses less digits than its factorization.

5545272374521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504115670422.

The product of its digits is 11760000, while the sum is 52.

The spelling of 5545272374521 in words is "five trillion, five hundred forty-five billion, two hundred seventy-two million, three hundred seventy-four thousand, five hundred twenty-one".