54891810231 has 8 divisors (see below), whose sum is σ = 73229501184. Its totient is φ = 36574329720.

The previous prime is 54891810227. The next prime is 54891810241. The reversal of 54891810231 is 13201819845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54891810231 - 2² = 54891810227 is a prime.

It is a super-2 number, since 2×54891810231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54891810241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046271 + ... + 5057136.

It is an arithmetic number, because the mean of its divisors is an integer number (9153687648).

Almost surely, 2^54891810231 is an apocalyptic number.

54891810231 is a deficient number, since it is larger than the sum of its proper divisors (18337690953).

54891810231 is a wasteful number, since it uses less digits than its factorization.

54891810231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105221.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 54891810231 in words is "fifty-four billion, eight hundred ninety-one million, eight hundred ten thousand, two hundred thirty-one".