54841500891 has 6 divisors (see below), whose sum is σ = 79215501300. Its totient is φ = 36561000588.

The previous prime is 54841500887. The next prime is 54841500943. The reversal of 54841500891 is 19800514845.

It is a happy number.

54841500891 is a `hidden beast` number, since 54 + 8 + 4 + 1 + 500 + 8 + 91 = 666.

It is not a de Polignac number, because 54841500891 - 2² = 54841500887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54841500881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3046750041 + ... + 3046750058.

It is an arithmetic number, because the mean of its divisors is an integer number (13202583550).

Almost surely, 2^54841500891 is an apocalyptic number.

54841500891 is a deficient number, since it is larger than the sum of its proper divisors (24374000409).

54841500891 is a wasteful number, since it uses less digits than its factorization.

54841500891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093500105 (or 6093500102 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 54841500891 in words is "fifty-four billion, eight hundred forty-one million, five hundred thousand, eight hundred ninety-one".