55835354880 has 648 divisors, whose sum is σ = 212228225664. Its totient is φ = 13536460800.

The previous prime is 55835354837. The next prime is 55835354881. The reversal of 55835354880 is 8845353855.

It is a happy number.

55835354880 is a `hidden beast` number, since 5 + 583 + 5 + 3 + 54 + 8 + 8 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55835354881) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103207410 + ... + 103207950.

Almost surely, 2^55835354880 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 55835354880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106114112832).

55835354880 is an abundant number, since it is smaller than the sum of its proper divisors (156392870784).

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

55835354880 is a wasteful number, since it uses less digits than its factorization.

55835354880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 55835354880 in words is "fifty-five billion, eight hundred thirty-five million, three hundred fifty-four thousand, eight hundred eighty".