5545231000 has 128 divisors (see below), whose sum is σ = 13798512000. Its totient is φ = 2081164800.

The previous prime is 5545230973. The next prime is 5545231001. The reversal of 5545231000 is 1325455.

It is a super-2 number, since 2×5545231000² = 61499173686722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545231001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216726 + ... + 1221274.

It is an arithmetic number, because the mean of its divisors is an integer number (107800875).

Almost surely, 2^5545231000 is an apocalyptic number.

5545231000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5545231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6899256000).

5545231000 is an abundant number, since it is smaller than the sum of its proper divisors (8253281000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5545231000 is a wasteful number, since it uses less digits than its factorization.

5545231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4632 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 5545231000 is about 74466.3078176970. The cubic root of 5545231000 is about 1769.9997872046. Note that the first 3 decimals are identical.

Adding to 5545231000 its reverse (1325455), we get a palindrome (5546556455).

The spelling of 5545231000 in words is "five billion, five hundred forty-five million, two hundred thirty-one thousand".