54211898478187 has 8 divisors (see below), whose sum is σ = 56773157540256. Its totient is φ = 51667657749312.

The previous prime is 54211898478131. The next prime is 54211898478211. The reversal of 54211898478187 is 78187489811245.

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

It is a de Polignac number, because none of the positive numbers 2^k-54211898478187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54211898470187) 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, 4254576778 + ... + 4254589519.

It is an arithmetic number, because the mean of its divisors is an integer number (7096644692532).

Almost surely, 2^{54211898478187} is an apocalyptic number.

54211898478187 is a deficient number, since it is larger than the sum of its proper divisors (2561259062069).

54211898478187 is a wasteful number, since it uses less digits than its factorization.

54211898478187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509166597.

The product of its digits is 289013760, while the sum is 73.

The spelling of 54211898478187 in words is "fifty-four trillion, two hundred eleven billion, eight hundred ninety-eight million, four hundred seventy-eight thousand, one hundred eighty-seven".