54642031312 has 160 divisors (see below), whose sum is σ = 124543992960. Its totient is φ = 22948823040.

The previous prime is 54642031291. The next prime is 54642031313. The reversal of 54642031312 is 21313024645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642031313) 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, 41806563 + ... + 41807869.

It is an arithmetic number, because the mean of its divisors is an integer number (778399956).

Almost surely, 2^54642031312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54642031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62271996480).

54642031312 is an abundant number, since it is smaller than the sum of its proper divisors (69901961648).

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

54642031312 is a wasteful number, since it uses less digits than its factorization.

54642031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 54642031312 its reverse (21313024645), we get a palindrome (75955055957).

The spelling of 54642031312 in words is "fifty-four billion, six hundred forty-two million, thirty-one thousand, three hundred twelve".