55012555265650 has 24 divisors (see below), whose sum is σ = 102566401177284. Its totient is φ = 21952753636800.

The previous prime is 55012555265567. The next prime is 55012555265651. The reversal of 55012555265650 is 5656255521055.

It can be written as a sum of positive squares in 6 ways, for example, as 206410689 + 55012348854961 = 14367^2 + 7417031^2 .

It is not an unprimeable number, because it can be changed into a prime (55012555265651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306690477 + ... + 1306732576.

Almost surely, 2^{55012555265650} is an apocalyptic number.

55012555265650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55012555265650 is a deficient number, since it is larger than the sum of its proper divisors (47553845911634).

55012555265650 is a wasteful number, since it uses less digits than its factorization.

55012555265650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613423486 (or 2613423481 counting only the distinct ones).

The product of its (nonzero) digits is 11250000, while the sum is 52.

The spelling of 55012555265650 in words is "fifty-five trillion, twelve billion, five hundred fifty-five million, two hundred sixty-five thousand, six hundred fifty".