54221610431242 has 8 divisors (see below), whose sum is σ = 81334417206276. Its totient is φ = 27110138029152.

The previous prime is 54221610431227. The next prime is 54221610431249. The reversal of 54221610431242 is 24213401612245.

It can be written as a sum of positive squares in 2 ways, for example, as 31058094934441 + 23163515496801 = 5572979^2 + 4812849^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54221610431249) 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, 333491643 + ... + 333654190.

Almost surely, 2^{54221610431242} is an apocalyptic number.

54221610431242 is a deficient number, since it is larger than the sum of its proper divisors (27112806775034).

54221610431242 is a wasteful number, since it uses less digits than its factorization.

54221610431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667186472.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 54221610431242 in words is "fifty-four trillion, two hundred twenty-one billion, six hundred ten million, four hundred thirty-one thousand, two hundred forty-two".