50185701945 has 24 divisors (see below), whose sum is σ = 87031581000. Its totient is φ = 26752467456.

The previous prime is 50185701893. The next prime is 50185701949. The reversal of 50185701945 is 54910758105.

50185701945 is a `hidden beast` number, since 50 + 18 + 570 + 19 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6889664016 + 43296037929 = 83004^2 + 208077^2 .

It is not a de Polignac number, because 50185701945 - 2¹⁶ = 50185636409 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50185701945.

It is not an unprimeable number, because it can be changed into a prime (50185701949) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 183520 + ... + 366129.

It is an arithmetic number, because the mean of its divisors is an integer number (3626315875).

Almost surely, 2^50185701945 is an apocalyptic number.

It is an amenable number.

50185701945 is a deficient number, since it is larger than the sum of its proper divisors (36845879055).

50185701945 is a wasteful number, since it uses less digits than its factorization.

50185701945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551689 (or 551686 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 50185701945 in words is "fifty billion, one hundred eighty-five million, seven hundred one thousand, nine hundred forty-five".