5451478 has 16 divisors (see below), whose sum is σ = 8520480. Its totient is φ = 2612736.

The previous prime is 5451473. The next prime is 5451493. The reversal of 5451478 is 8741545.

It is a super-2 number, since 2×5451478² = 59437224768968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10951 + ... + 11437.

It is an arithmetic number, because the mean of its divisors is an integer number (532530).

Almost surely, 2^5451478 is an apocalyptic number.

5451478 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5451478 is a deficient number, since it is larger than the sum of its proper divisors (3069002).

5451478 is a wasteful number, since it uses less digits than its factorization.

5451478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 22400, while the sum is 34.

The square root of 5451478 is about 2334.8400373473. The cubic root of 5451478 is about 175.9967931578.

It can be divided in two parts, 5451 and 478, that added together give a square (5929 = 77²).

The spelling of 5451478 in words is "five million, four hundred fifty-one thousand, four hundred seventy-eight".