54545878851 has 16 divisors (see below), whose sum is σ = 76592893440. Its totient is φ = 34433255520.

The previous prime is 54545878847. The next prime is 54545878859. The reversal of 54545878851 is 15887854545.

It is not a de Polignac number, because 54545878851 - 2² = 54545878847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54545878859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114340 + ... + 349521.

It is an arithmetic number, because the mean of its divisors is an integer number (4787055840).

Almost surely, 2^54545878851 is an apocalyptic number.

54545878851 is a deficient number, since it is larger than the sum of its proper divisors (22047014589).

54545878851 is a wasteful number, since it uses less digits than its factorization.

54545878851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465946.

The product of its digits is 35840000, while the sum is 60.

The spelling of 54545878851 in words is "fifty-four billion, five hundred forty-five million, eight hundred seventy-eight thousand, eight hundred fifty-one".