55796127420 has 144 divisors (see below), whose sum is σ = 173654439840. Its totient is φ = 13374197760.

The previous prime is 55796127419. The next prime is 55796127421. The reversal of 55796127420 is 2472169755.

It is an interprime number because it is at equal distance from previous prime (55796127419) and next prime (55796127421).

It is a super-2 number, since 2×55796127420² (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 55796127420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55796127421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602964 + ... + 689316.

It is an arithmetic number, because the mean of its divisors is an integer number (1205933610).

Almost surely, 2^55796127420 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 55796127420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86827219920).

55796127420 is an abundant number, since it is smaller than the sum of its proper divisors (117858312420).

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

55796127420 is a wasteful number, since it uses less digits than its factorization.

55796127420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86476 (or 86463 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 55796127420 in words is "fifty-five billion, seven hundred ninety-six million, one hundred twenty-seven thousand, four hundred twenty".