5545452131 has 4 divisors (see below), whose sum is σ = 5547120264. Its totient is φ = 5543784000.

The previous prime is 5545452109. The next prime is 5545452137. The reversal of 5545452131 is 1312545455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5545452131 is a prime.

It is a super-2 number, since 2×5545452131² = 61504078674424882322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5545452091 and 5545452100.

It is not an unprimeable number, because it can be changed into a prime (5545452137) 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, 829070 + ... + 835731.

It is an arithmetic number, because the mean of its divisors is an integer number (1386780066).

Almost surely, 2^5545452131 is an apocalyptic number.

5545452131 is a deficient number, since it is larger than the sum of its proper divisors (1668133).

5545452131 is a wasteful number, since it uses less digits than its factorization.

5545452131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668132.

The product of its digits is 60000, while the sum is 35.

The square root of 5545452131 is about 74467.7925750455. The cubic root of 5545452131 is about 1770.0233147258.

Adding to 5545452131 its reverse (1312545455), we get a palindrome (6857997586).

The spelling of 5545452131 in words is "five billion, five hundred forty-five million, four hundred fifty-two thousand, one hundred thirty-one".