55511101059576 has 256 divisors, whose sum is σ = 145691423539200. Its totient is φ = 17610089472000.

The previous prime is 55511101059493. The next prime is 55511101059611. The reversal of 55511101059576 is 67595010111555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7886216265 + ... + 7886223303.

It is an arithmetic number, because the mean of its divisors is an integer number (569107123200).

Almost surely, 2^{55511101059576} 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 55511101059576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72845711769600).

55511101059576 is an abundant number, since it is smaller than the sum of its proper divisors (90180322479624).

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

55511101059576 is a wasteful number, since it uses less digits than its factorization.

55511101059576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8346 counting only the distinct ones).

The product of its (nonzero) digits is 1181250, while the sum is 51.

The spelling of 55511101059576 in words is "fifty-five trillion, five hundred eleven billion, one hundred one million, fifty-nine thousand, five hundred seventy-six".