55975678080 has 768 divisors, whose sum is σ = 219368217600. Its totient is φ = 11888861184.

The previous prime is 55975678069. The next prime is 55975678091. The reversal of 55975678080 is 8087657955.

It is an interprime number because it is at equal distance from previous prime (55975678069) and next prime (55975678091).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 402702651 + ... + 402702789.

It is an arithmetic number, because the mean of its divisors is an integer number (285635700).

Almost surely, 2^55975678080 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 55975678080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109684108800).

55975678080 is an abundant number, since it is smaller than the sum of its proper divisors (163392539520).

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

55975678080 is a wasteful number, since it uses less digits than its factorization.

55975678080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 60.

The spelling of 55975678080 in words is "fifty-five billion, nine hundred seventy-five million, six hundred seventy-eight thousand, eighty".