55511101059975 has 192 divisors, whose sum is σ = 111674802355200. Its totient is φ = 26810963712000.

The previous prime is 55511101059959. The next prime is 55511101059979. The reversal of 55511101059975 is 57995010111555.

55511101059975 is a `hidden beast` number, since 5 + 5 + 511 + 1 + 0 + 1 + 0 + 59 + 9 + 75 = 666.

It is not a de Polignac number, because 55511101059975 - 2⁴ = 55511101059959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511101059979) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3999640086 + ... + 3999653964.

It is an arithmetic number, because the mean of its divisors is an integer number (581639595600).

Almost surely, 2^{55511101059975} is an apocalyptic number.

55511101059975 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55511101059975 is an abundant number, since it is smaller than the sum of its proper divisors (56163701295225).

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

55511101059975 is a wasteful number, since it uses less digits than its factorization.

55511101059975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943 (or 15932 counting only the distinct ones).

The product of its (nonzero) digits is 1771875, while the sum is 54.

The spelling of 55511101059975 in words is "fifty-five trillion, five hundred eleven billion, one hundred one million, fifty-nine thousand, nine hundred seventy-five".