53638803426 has 64 divisors (see below), whose sum is σ = 116774380800. Its totient is φ = 16326925056.

The previous prime is 53638803403. The next prime is 53638803479. The reversal of 53638803426 is 62430883635.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5751195 + ... + 5760513.

It is an arithmetic number, because the mean of its divisors is an integer number (1824599700).

Almost surely, 2^53638803426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53638803426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58387190400).

53638803426 is an abundant number, since it is smaller than the sum of its proper divisors (63135577374).

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

53638803426 is a wasteful number, since it uses less digits than its factorization.

53638803426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 53638803426 in words is "fifty-three billion, six hundred thirty-eight million, eight hundred three thousand, four hundred twenty-six".