5500400 has 30 divisors (see below), whose sum is σ = 13215672. Its totient is φ = 2200000.

The previous prime is 5500387. The next prime is 5500403. The reversal of 5500400 is 40055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6476 + ... + 7275.

Almost surely, 2^5500400 is an apocalyptic number.

5500400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5500400 is an abundant number, since it is smaller than the sum of its proper divisors (7715272).

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

5500400 is a wasteful number, since it uses less digits than its factorization.

5500400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13769 (or 13758 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 5500400 is about 2345.2931586478. The cubic root of 5500400 is about 176.5216958727.

Adding to 5500400 its reverse (40055), we get a palindrome (5540455).

The spelling of 5500400 in words is "five million, five hundred thousand, four hundred".