50491125037 has 16 divisors (see below), whose sum is σ = 52031981232. Its totient is φ = 48959838720.

The previous prime is 50491125017. The next prime is 50491125059. The reversal of 50491125037 is 73052119405.

It can be written as a sum of positive squares in 8 ways, for example, as 129481641 + 50361643396 = 11379^2 + 224414^2 .

It is a cyclic number.

It is not a de Polignac number, because 50491125037 - 2²⁷ = 50356907309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50491124987 and 50491125005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50491125017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21098313 + ... + 21100705.

It is an arithmetic number, because the mean of its divisors is an integer number (3251998827).

Almost surely, 2^50491125037 is an apocalyptic number.

It is an amenable number.

50491125037 is a deficient number, since it is larger than the sum of its proper divisors (1540856195).

50491125037 is a wasteful number, since it uses less digits than its factorization.

50491125037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128.

The product of its (nonzero) digits is 37800, while the sum is 37.

It can be divided in two parts, 50491 and 125037, that added together give a triangular number (175528 = T₅₉₂).

The spelling of 50491125037 in words is "fifty billion, four hundred ninety-one million, one hundred twenty-five thousand, thirty-seven".