54112636620 has 144 divisors (see below), whose sum is σ = 188202862848. Its totient is φ = 12328225920.

The previous prime is 54112636619. The next prime is 54112636621. The reversal of 54112636620 is 2663621145.

54112636620 is a `hidden beast` number, since 5 + 4 + 1 + 1 + 26 + 3 + 6 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (54112636619) and next prime (54112636621).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54112636621) 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 47 ways as a sum of consecutive naturals, for example, 316875 + ... + 456765.

Almost surely, 2^54112636620 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 54112636620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94101431424).

54112636620 is an abundant number, since it is smaller than the sum of its proper divisors (134090226228).

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

54112636620 is a wasteful number, since it uses less digits than its factorization.

54112636620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140220 (or 140215 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 54112636620 in words is "fifty-four billion, one hundred twelve million, six hundred thirty-six thousand, six hundred twenty".