54486532221 has 32 divisors (see below), whose sum is σ = 79662210048. Its totient is φ = 32852029440.

The previous prime is 54486532207. The next prime is 54486532279. The reversal of 54486532221 is 12223568445.

It is not a de Polignac number, because 54486532221 - 2¹⁵ = 54486499453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54486532421) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7519026 + ... + 7526268.

It is an arithmetic number, because the mean of its divisors is an integer number (2489444064).

Almost surely, 2^54486532221 is an apocalyptic number.

It is an amenable number.

54486532221 is a deficient number, since it is larger than the sum of its proper divisors (25175677827).

54486532221 is a wasteful number, since it uses less digits than its factorization.

54486532221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401.

The product of its digits is 460800, while the sum is 42.

The spelling of 54486532221 in words is "fifty-four billion, four hundred eighty-six million, five hundred thirty-two thousand, two hundred twenty-one".