5451688 has 32 divisors (see below), whose sum is σ = 11430720. Its totient is φ = 2416000.

The previous prime is 5451683. The next prime is 5451697. The reversal of 5451688 is 8861545.

It is not an unprimeable number, because it can be changed into a prime (5451683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853 + ... + 4363.

It is an arithmetic number, because the mean of its divisors is an integer number (357210).

Almost surely, 2^5451688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5451688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5715360).

5451688 is an abundant number, since it is smaller than the sum of its proper divisors (5979032).

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

5451688 is a wasteful number, since it uses less digits than its factorization.

5451688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1565 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 5451688 is about 2334.8850078751. The cubic root of 5451688 is about 175.9990530252. Note that the first 3 decimals are identical.

The spelling of 5451688 in words is "five million, four hundred fifty-one thousand, six hundred eighty-eight".