54738569886 has 128 divisors (see below), whose sum is σ = 148762607616. Its totient is φ = 12965892480.

The previous prime is 54738569867. The next prime is 54738569887. The reversal of 54738569886 is 68896583745.

It is a happy number.

It is a super-2 number, since 2×54738569886² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54738569886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54738569887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 443595 + ... + 553401.

It is an arithmetic number, because the mean of its divisors is an integer number (1162207872).

Almost surely, 2^54738569886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54738569886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74381303808).

54738569886 is an abundant number, since it is smaller than the sum of its proper divisors (94024037730).

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

54738569886 is a wasteful number, since it uses less digits than its factorization.

54738569886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109926.

The product of its digits is 348364800, while the sum is 69.

The spelling of 54738569886 in words is "fifty-four billion, seven hundred thirty-eight million, five hundred sixty-nine thousand, eight hundred eighty-six".