50005055125 has 8 divisors (see below), whose sum is σ = 62406308952. Its totient is φ = 40004044000.

The previous prime is 50005055123. The next prime is 50005055141. The reversal of 50005055125 is 52155050005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3504876804 + 46500178321 = 59202^2 + 215639^2 .

It is not a de Polignac number, because 50005055125 - 2¹ = 50005055123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50005055093 and 50005055102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50005055123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200020096 + ... + 200020345.

It is an arithmetic number, because the mean of its divisors is an integer number (7800788619).

Almost surely, 2^50005055125 is an apocalyptic number.

It is an amenable number.

50005055125 is a deficient number, since it is larger than the sum of its proper divisors (12401253827).

50005055125 is an equidigital number, since it uses as much as digits as its factorization.

50005055125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400040456 (or 400040446 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The spelling of 50005055125 in words is "fifty billion, five million, fifty-five thousand, one hundred twenty-five".