50553742725 has 18 divisors (see below), whose sum is σ = 90547370706. Its totient is φ = 26961996000.

The previous prime is 50553742717. The next prime is 50553742739. The reversal of 50553742725 is 52724735505.

50553742725 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 374 + 272 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1458705249 + 49095037476 = 38193^2 + 221574^2 .

It is not a de Polignac number, because 50553742725 - 2³ = 50553742717 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 112341426 + ... + 112341875.

Almost surely, 2^50553742725 is an apocalyptic number.

It is an amenable number.

50553742725 is a deficient number, since it is larger than the sum of its proper divisors (39993627981).

50553742725 is a wasteful number, since it uses less digits than its factorization.

50553742725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224683317 (or 224683309 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 45.

The spelling of 50553742725 in words is "fifty billion, five hundred fifty-three million, seven hundred forty-two thousand, seven hundred twenty-five".