5451378 has 16 divisors (see below), whose sum is σ = 11009856. Its totient is φ = 1799280.

The previous prime is 5451371. The next prime is 5451431. The reversal of 5451378 is 8731545.

5451378 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5451371) 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, 3793 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (688116).

Almost surely, 2^5451378 is an apocalyptic number.

5451378 is an abundant number, since it is smaller than the sum of its proper divisors (5558478).

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

5451378 is a wasteful number, since it uses less digits than its factorization.

5451378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929.

The product of its digits is 16800, while the sum is 33.

The square root of 5451378 is about 2334.8186225058. The cubic root of 5451378 is about 175.9957170101.

The spelling of 5451378 in words is "five million, four hundred fifty-one thousand, three hundred seventy-eight".