55413571422 has 256 divisors, whose sum is σ = 134010961920. Its totient is φ = 15100800000.

The previous prime is 55413571373. The next prime is 55413571457. The reversal of 55413571422 is 22417531455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 423004297 + ... + 423004427.

It is an arithmetic number, because the mean of its divisors is an integer number (523480320).

Almost surely, 2^55413571422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55413571422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67005480960).

55413571422 is an abundant number, since it is smaller than the sum of its proper divisors (78597390498).

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

55413571422 is a wasteful number, since it uses less digits than its factorization.

55413571422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its digits is 168000, while the sum is 39.

The spelling of 55413571422 in words is "fifty-five billion, four hundred thirteen million, five hundred seventy-one thousand, four hundred twenty-two".