545882405251 has 32 divisors (see below), whose sum is σ = 569594488320. Its totient is φ = 522764928000.

The previous prime is 545882405239. The next prime is 545882405273. The reversal of 545882405251 is 152504288545.

It is a 10-Lehmer number, since φ(545882405251) divides (545882405251-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 545882405251 - 2¹⁹ = 545881880963 is a prime.

It is a pancake number, because a pancake can be divided into 545882405251 parts by 1044875 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545882405195 and 545882405204.

It is not an unprimeable number, because it can be changed into a prime (545882405051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778719201 + ... + 778719901.

It is an arithmetic number, because the mean of its divisors is an integer number (17799827760).

Almost surely, 2^545882405251 is an apocalyptic number.

545882405251 is a deficient number, since it is larger than the sum of its proper divisors (23712083069).

545882405251 is a wasteful number, since it uses less digits than its factorization.

545882405251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 2560000, while the sum is 49.

The spelling of 545882405251 in words is "five hundred forty-five billion, eight hundred eighty-two million, four hundred five thousand, two hundred fifty-one".