55000055525 has 12 divisors (see below), whose sum is σ = 68634469092. Its totient is φ = 43719786240.

The previous prime is 55000055521. The next prime is 55000055543. The reversal of 55000055525 is 52555000055.

It can be written as a sum of positive squares in 6 ways, for example, as 927994369 + 54072061156 = 30463^2 + 232534^2 .

It is not a de Polignac number, because 55000055525 - 2² = 55000055521 is a prime.

It is a super-2 number, since 2×55000055525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55000055491 and 55000055500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000055521) 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, 7002452 + ... + 7010301.

It is an arithmetic number, because the mean of its divisors is an integer number (5719539091).

Almost surely, 2^55000055525 is an apocalyptic number.

It is an amenable number.

55000055525 is a deficient number, since it is larger than the sum of its proper divisors (13634413567).

55000055525 is a wasteful number, since it uses less digits than its factorization.

55000055525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012920 (or 14012915 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 32.

The spelling of 55000055525 in words is "fifty-five billion, fifty-five thousand, five hundred twenty-five".