5551451 has 4 divisors (see below), whose sum is σ = 5582304. Its totient is φ = 5520600.

The previous prime is 5551433. The next prime is 5551453. The reversal of 5551451 is 1541555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1541555 = 5 ⋅308311.

It is a cyclic number.

It is not a de Polignac number, because 5551451 - 2¹⁰ = 5550427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5551451.

It is not an unprimeable number, because it can be changed into a prime (5551453) 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 3 ways as a sum of consecutive naturals, for example, 15155 + ... + 15516.

It is an arithmetic number, because the mean of its divisors is an integer number (1395576).

Almost surely, 2^5551451 is an apocalyptic number.

5551451 is a deficient number, since it is larger than the sum of its proper divisors (30853).

5551451 is a wasteful number, since it uses less digits than its factorization.

5551451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30852.

The product of its digits is 2500, while the sum is 26.

The square root of 5551451 is about 2356.1517353515. The cubic root of 5551451 is about 177.0661333729.

The spelling of 5551451 in words is "five million, five hundred fifty-one thousand, four hundred fifty-one".