54639533936 has 160 divisors (see below), whose sum is σ = 121867200000. Its totient is φ = 23523830784.

The previous prime is 54639533933. The next prime is 54639533939. The reversal of 54639533936 is 63933593645.

54639533936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54639533933) and next prime (54639533939).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54639533933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109497815 + ... + 109498313.

It is an arithmetic number, because the mean of its divisors is an integer number (761670000).

Almost surely, 2^54639533936 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 54639533936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60933600000).

54639533936 is an abundant number, since it is smaller than the sum of its proper divisors (67227666064).

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

54639533936 is a wasteful number, since it uses less digits than its factorization.

54639533936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 905 counting only the distinct ones).

The product of its digits is 23619600, while the sum is 56.

The spelling of 54639533936 in words is "fifty-four billion, six hundred thirty-nine million, five hundred thirty-three thousand, nine hundred thirty-six".