55951950880 has 384 divisors, whose sum is σ = 166309355520. Its totient is φ = 17360179200.

The previous prime is 55951950877. The next prime is 55951950881. The reversal of 55951950880 is 8805915955.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55951950881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43006230 + ... + 43007530.

It is an arithmetic number, because the mean of its divisors is an integer number (433097280).

Almost surely, 2^55951950880 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 55951950880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83154677760).

55951950880 is an abundant number, since it is smaller than the sum of its proper divisors (110357404640).

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

55951950880 is a wasteful number, since it uses less digits than its factorization.

55951950880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 55.

The spelling of 55951950880 in words is "fifty-five billion, nine hundred fifty-one million, nine hundred fifty thousand, eight hundred eighty".