5445630 has 72 divisors (see below), whose sum is σ = 14879592. Its totient is φ = 1434672.

The previous prime is 5445607. The next prime is 5445631. The reversal of 5445630 is 365445.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a zygodrome in base 9 and base 13.

It is a junction number, because it is equal to n+sod(n) for n = 5445594 and 5445603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65569 + ... + 65651.

It is an arithmetic number, because the mean of its divisors is an integer number (206661).

Almost surely, 2^5445630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5445630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7439796).

5445630 is an abundant number, since it is smaller than the sum of its proper divisors (9433962).

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

5445630 is an frugal number, since it uses more digits than its factorization.

5445630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5445630 is about 2333.5873671238. The cubic root of 5445630 is about 175.9338379069.

The spelling of 5445630 in words is "five million, four hundred forty-five thousand, six hundred thirty".