5451432 has 64 divisors (see below), whose sum is σ = 16014720. Its totient is φ = 1513728.

The previous prime is 5451431. The next prime is 5451473. The reversal of 5451432 is 2341545.

It is a super-2 number, since 2×5451432² = 59436221701248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 5⁶ + 4 + 5⁸ + 1 + 4³ + 3¹⁴ + 2¹⁸ .

It is not an unprimeable number, because it can be changed into a prime (5451431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5778 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (250230).

Almost surely, 2^5451432 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 5451432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8007360).

5451432 is an abundant number, since it is smaller than the sum of its proper divisors (10563288).

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

5451432 is a wasteful number, since it uses less digits than its factorization.

5451432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 926 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 5451432 is about 2334.8301865446. The cubic root of 5451432 is about 175.9962981315.

Adding to 5451432 its reverse (2341545), we get a palindrome (7792977).

The spelling of 5451432 in words is "five million, four hundred fifty-one thousand, four hundred thirty-two".