55034052521 has 12 divisors (see below), whose sum is σ = 66226764420. Its totient is φ = 45545421600.

The previous prime is 55034052517. The next prime is 55034052529. The reversal of 55034052521 is 12525043055.

It can be written as a sum of positive squares in 2 ways, for example, as 23041722025 + 31992330496 = 151795^2 + 178864^2 .

It is not a de Polignac number, because 55034052521 - 2² = 55034052517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55034052529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19363130 + ... + 19365971.

It is an arithmetic number, because the mean of its divisors is an integer number (5518897035).

Almost surely, 2^55034052521 is an apocalyptic number.

It is an amenable number.

55034052521 is a deficient number, since it is larger than the sum of its proper divisors (11192711899).

55034052521 is a wasteful number, since it uses less digits than its factorization.

55034052521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38729144 (or 38729137 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 55034052521 its reverse (12525043055), we get a palindrome (67559095576).

The spelling of 55034052521 in words is "fifty-five billion, thirty-four million, fifty-two thousand, five hundred twenty-one".