55870769472 has 224 divisors, whose sum is σ = 172950835200. Its totient is φ = 15586007040.

The previous prime is 55870769431. The next prime is 55870769473. The reversal of 55870769472 is 27496707855.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55870769473) 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, 36068154 + ... + 36069702.

Almost surely, 2^55870769472 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 55870769472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86475417600).

55870769472 is an abundant number, since it is smaller than the sum of its proper divisors (117080065728).

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

55870769472 is a wasteful number, since it uses less digits than its factorization.

55870769472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 55870769472 in words is "fifty-five billion, eight hundred seventy million, seven hundred sixty-nine thousand, four hundred seventy-two".