5451648 has 32 divisors (see below), whose sum is σ = 14481960. Its totient is φ = 1817088.

The previous prime is 5451643. The next prime is 5451673. The reversal of 5451648 is 8461545.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451643) 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, 6715 + ... + 7482.

Almost surely, 2^5451648 is an apocalyptic number.

It is an amenable number.

5451648 is an abundant number, since it is smaller than the sum of its proper divisors (9030312).

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

5451648 is a wasteful number, since it uses less digits than its factorization.

5451648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14214 (or 14202 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 5451648 is about 2334.8764421271. The cubic root of 5451648 is about 175.9986225788.

The spelling of 5451648 in words is "five million, four hundred fifty-one thousand, six hundred forty-eight".