55505252502576 has 200 divisors, whose sum is σ = 162713505500480. Its totient is φ = 18263994338304.

The previous prime is 55505252502487. The next prime is 55505252502599. The reversal of 55505252502576 is 67520525250555.

55505252502576 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 525 + 25 + 0 + 25 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 554154516 + ... + 554254668.

Almost surely, 2^{55505252502576} 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 55505252502576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81356752750240).

55505252502576 is an abundant number, since it is smaller than the sum of its proper divisors (107208252997904).

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

55505252502576 is a wasteful number, since it uses less digits than its factorization.

55505252502576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105665 (or 105650 counting only the distinct ones).

The product of its (nonzero) digits is 26250000, while the sum is 54.

The spelling of 55505252502576 in words is "fifty-five trillion, five hundred five billion, two hundred fifty-two million, five hundred two thousand, five hundred seventy-six".