55331601254136 has 128 divisors (see below), whose sum is σ = 155118502440000. Its totient is φ = 18273534681600.

The previous prime is 55331601254131. The next prime is 55331601254161. The reversal of 55331601254136 is 63145210613355.

55331601254136 is a `hidden beast` number, since 5 + 5 + 3 + 3 + 1 + 60 + 12 + 541 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55331601254091 and 55331601254100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55331601254131) 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, 440233510 + ... + 440359178.

Almost surely, 2^{55331601254136} 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 55331601254136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77559251220000).

55331601254136 is an abundant number, since it is smaller than the sum of its proper divisors (99786901185864).

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

55331601254136 is a wasteful number, since it uses less digits than its factorization.

55331601254136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144494 (or 144484 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 55331601254136 in words is "fifty-five trillion, three hundred thirty-one billion, six hundred one million, two hundred fifty-four thousand, one hundred thirty-six".