55999045529001 has 27 divisors (see below), whose sum is σ = 80990793502749. Its totient is φ = 37285088576472.

The previous prime is 55999045528939. The next prime is 55999045529051. The reversal of 55999045529001 is 10092554099955.

The square root of 55999045529001 is 7483251.

It is a perfect power (a square), and thus also a powerful number.

55999045529001 is a `hidden beast` number, since 5 + 5 + 9 + 9 + 90 + 455 + 2 + 90 + 0 + 1 = 666.

It is not a de Polignac number, because 55999045529001 - 2¹¹ = 55999045526953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55999045529001.

It is not an unprimeable number, because it can be changed into a prime (55999045529051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31407203556 + ... + 31407205338.

Almost surely, 2^{55999045529001} is an apocalyptic number.

55999045529001 is the 7483251-st square number.

55999045529001 is the 3741626-th centered octagonal number.

It is an amenable number.

55999045529001 is a deficient number, since it is larger than the sum of its proper divisors (24991747973748).

55999045529001 is an frugal number, since it uses more digits than its factorization.

55999045529001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 32805000, while the sum is 63.

The spelling of 55999045529001 in words is "fifty-five trillion, nine hundred ninety-nine billion, forty-five million, five hundred twenty-nine thousand, one".