55530275525 has 6 divisors (see below), whose sum is σ = 68857541682. Its totient is φ = 44424220400.

The previous prime is 55530275477. The next prime is 55530275533. The reversal of 55530275525 is 52557203555.

It can be written as a sum of positive squares in 3 ways, for example, as 188183524 + 55342092001 = 13718^2 + 235249^2 .

It is not a de Polignac number, because 55530275525 - 2¹⁸ = 55530013381 is a prime.

It is a super-2 number, since 2×55530275525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110605486 + ... + 1110605535.

It is an arithmetic number, because the mean of its divisors is an integer number (11476256947).

Almost surely, 2^55530275525 is an apocalyptic number.

It is an amenable number.

55530275525 is a deficient number, since it is larger than the sum of its proper divisors (13327266157).

55530275525 is a wasteful number, since it uses less digits than its factorization.

55530275525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221211031 (or 2221211026 counting only the distinct ones).

The product of its (nonzero) digits is 1312500, while the sum is 44.

The spelling of 55530275525 in words is "fifty-five billion, five hundred thirty million, two hundred seventy-five thousand, five hundred twenty-five".