55125614265021 has 16 divisors (see below), whose sum is σ = 81668991715200. Its totient is φ = 36749772748224.

The previous prime is 55125614265011. The next prime is 55125614265067. The reversal of 55125614265021 is 12056241652155.

It is a happy number.

55125614265021 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 5 + 614 + 2 + 6 + 5 + 0 + 21 = 666.

It is not a de Polignac number, because 55125614265021 - 2⁷ = 55125614264893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125614265011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16098081 + ... + 19219766.

It is an arithmetic number, because the mean of its divisors is an integer number (5104311982200).

Almost surely, 2^{55125614265021} is an apocalyptic number.

It is an amenable number.

55125614265021 is a deficient number, since it is larger than the sum of its proper divisors (26543377450179).

55125614265021 is a wasteful number, since it uses less digits than its factorization.

55125614265021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35375665 (or 35375659 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 55125614265021 in words is "fifty-five trillion, one hundred twenty-five billion, six hundred fourteen million, two hundred sixty-five thousand, twenty-one".