54221420146 has 4 divisors (see below), whose sum is σ = 81332130222. Its totient is φ = 27110710072.

The previous prime is 54221420059. The next prime is 54221420167. The reversal of 54221420146 is 64102412245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42359814225 + 11861605921 = 205815^2 + 108911^2 .

It is a super-2 number, since 2×54221420146² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555355035 + ... + 13555355038.

Almost surely, 2^54221420146 is an apocalyptic number.

54221420146 is a deficient number, since it is larger than the sum of its proper divisors (27110710076).

54221420146 is a wasteful number, since it uses less digits than its factorization.

54221420146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27110710075.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 54221420146 in words is "fifty-four billion, two hundred twenty-one million, four hundred twenty thousand, one hundred forty-six".