54216640434351 has 32 divisors (see below), whose sum is σ = 72916744642560. Its totient is φ = 35831289477600.

The previous prime is 54216640434293. The next prime is 54216640434421. The reversal of 54216640434351 is 15343404661245.

It is not a de Polignac number, because 54216640434351 - 2¹⁰ = 54216640433327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54216640434351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54216640436351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 829335696 + ... + 829401066.

It is an arithmetic number, because the mean of its divisors is an integer number (2278648270080).

Almost surely, 2^{54216640434351} is an apocalyptic number.

54216640434351 is a deficient number, since it is larger than the sum of its proper divisors (18700104208209).

54216640434351 is a wasteful number, since it uses less digits than its factorization.

54216640434351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68427.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 54216640434351 in words is "fifty-four trillion, two hundred sixteen billion, six hundred forty million, four hundred thirty-four thousand, three hundred fifty-one".