54451420551 has 24 divisors (see below), whose sum is σ = 85810233600. Its totient is φ = 32997786000.

The previous prime is 54451420549. The next prime is 54451420603. The reversal of 54451420551 is 15502415445.

54451420551 is a `hidden beast` number, since 5 + 445 + 1 + 4 + 205 + 5 + 1 = 666.

It is not a de Polignac number, because 54451420551 - 2¹ = 54451420549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54451420531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1496626 + ... + 1532576.

It is an arithmetic number, because the mean of its divisors is an integer number (3575426400).

Almost surely, 2^54451420551 is an apocalyptic number.

54451420551 is a deficient number, since it is larger than the sum of its proper divisors (31358813049).

54451420551 is a wasteful number, since it uses less digits than its factorization.

54451420551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51267 (or 51264 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 54451420551 its reverse (15502415445), we get a palindrome (69953835996).

The spelling of 54451420551 in words is "fifty-four billion, four hundred fifty-one million, four hundred twenty thousand, five hundred fifty-one".