51054451 has 12 divisors (see below), whose sum is σ = 61984528. Its totient is φ = 41185152.

The previous prime is 51054449. The next prime is 51054481. The reversal of 51054451 is 15445015.

It is a happy number.

51054451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51054451 - 2¹ = 51054449 is a prime.

It is a super-2 number, since 2×51054451² = 5213113933822802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51054481) 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 11 ways as a sum of consecutive naturals, for example, 10596 + ... + 14641.

Almost surely, 2^51054451 is an apocalyptic number.

51054451 is a deficient number, since it is larger than the sum of its proper divisors (10930077).

51054451 is a wasteful number, since it uses less digits than its factorization.

51054451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25278 (or 25261 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 51054451 is about 7145.2397440534. The cubic root of 51054451 is about 370.9749088796.

Adding to 51054451 its reverse (15445015), we get a palindrome (66499466).

The spelling of 51054451 in words is "fifty-one million, fifty-four thousand, four hundred fifty-one".