54892650881 has 4 divisors (see below), whose sum is σ = 54893390292. Its totient is φ = 54891911472.

The previous prime is 54892650877. The next prime is 54892650889. The reversal of 54892650881 is 18805629845.

54892650881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25701219856 + 29191431025 = 160316^2 + 170855^2 .

It is a cyclic number.

It is not a de Polignac number, because 54892650881 - 2² = 54892650877 is a prime.

It is a super-2 number, since 2×54892650881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54892650889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244130 + ... + 411563.

It is an arithmetic number, because the mean of its divisors is an integer number (13723347573).

Almost surely, 2^54892650881 is an apocalyptic number.

It is an amenable number.

54892650881 is a deficient number, since it is larger than the sum of its proper divisors (739411).

54892650881 is an equidigital number, since it uses as much as digits as its factorization.

54892650881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739410.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 54892650881 in words is "fifty-four billion, eight hundred ninety-two million, six hundred fifty thousand, eight hundred eighty-one".