55226131776 has 168 divisors, whose sum is σ = 164334992640. Its totient is φ = 18388933632.

The previous prime is 55226131771. The next prime is 55226131781. The reversal of 55226131776 is 67713162255.

It is a happy number.

55226131776 is a `hidden beast` number, since 5 + 5 + 2 + 261 + 317 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (55226131771) and next prime (55226131781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55226131771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25022065 + ... + 25024271.

It is an arithmetic number, because the mean of its divisors is an integer number (978184480).

Almost surely, 2^55226131776 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 55226131776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82167496320).

55226131776 is an abundant number, since it is smaller than the sum of its proper divisors (109108860864).

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

55226131776 is a wasteful number, since it uses less digits than its factorization.

55226131776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843 (or 3821 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 55226131776 in words is "fifty-five billion, two hundred twenty-six million, one hundred thirty-one thousand, seven hundred seventy-six".