54326640624 has 40 divisors (see below), whose sum is σ = 140839771392. Its totient is φ = 18044886720.

The previous prime is 54326640611. The next prime is 54326640629. The reversal of 54326640624 is 42604662345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54326640629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986072 + ... + 2013239.

Almost surely, 2^54326640624 is an apocalyptic number.

It is an amenable number.

54326640624 is an abundant number, since it is smaller than the sum of its proper divisors (86513130768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54326640624 is a wasteful number, since it uses less digits than its factorization.

54326640624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999605 (or 3999599 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 54326640624 in words is "fifty-four billion, three hundred twenty-six million, six hundred forty thousand, six hundred twenty-four".