54086764621 has 32 divisors (see below), whose sum is σ = 58162497120. Its totient is φ = 50201088000.

The previous prime is 54086764619. The next prime is 54086764631. The reversal of 54086764621 is 12646768045.

It can be written as a sum of positive squares in 16 ways, for example, as 9644222025 + 44442542596 = 98205^2 + 210814^2 .

It is not a de Polignac number, because 54086764621 - 2¹ = 54086764619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54086764601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27979771 + ... + 27981703.

It is an arithmetic number, because the mean of its divisors is an integer number (1817578035).

Almost surely, 2^54086764621 is an apocalyptic number.

It is an amenable number.

54086764621 is a deficient number, since it is larger than the sum of its proper divisors (4075732499).

54086764621 is a wasteful number, since it uses less digits than its factorization.

54086764621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 54086764621 in words is "fifty-four billion, eighty-six million, seven hundred sixty-four thousand, six hundred twenty-one".