54221121635 has 8 divisors (see below), whose sum is σ = 65246588640. Its totient is φ = 43256068864.

The previous prime is 54221121623. The next prime is 54221121641. The reversal of 54221121635 is 53612112245.

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

It is a cyclic number.

It is not a de Polignac number, because 54221121635 - 2⁸ = 54221121379 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15101582 + ... + 15105171.

It is an arithmetic number, because the mean of its divisors is an integer number (8155823580).

Almost surely, 2^54221121635 is an apocalyptic number.

54221121635 is a deficient number, since it is larger than the sum of its proper divisors (11025467005).

54221121635 is a wasteful number, since it uses less digits than its factorization.

54221121635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30207117.

The product of its digits is 14400, while the sum is 32.

The spelling of 54221121635 in words is "fifty-four billion, two hundred twenty-one million, one hundred twenty-one thousand, six hundred thirty-five".