55651005510 has 192 divisors, whose sum is σ = 149795179200. Its totient is φ = 13204767744.

The previous prime is 55651005467. The next prime is 55651005521. The reversal of 55651005510 is 1550015655.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11618196 + ... + 11622984.

It is an arithmetic number, because the mean of its divisors is an integer number (780183225).

Almost surely, 2^55651005510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55651005510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74897589600).

55651005510 is an abundant number, since it is smaller than the sum of its proper divisors (94144173690).

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

55651005510 is a wasteful number, since it uses less digits than its factorization.

55651005510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55651005510 in words is "fifty-five billion, six hundred fifty-one million, five thousand, five hundred ten".