50000000045 has 8 divisors (see below), whose sum is σ = 60001973880. Its totient is φ = 39998684160.

The previous prime is 50000000023. The next prime is 50000000059. The reversal of 50000000045 is 54000000005.

It can be written as a sum of positive squares in 4 ways, for example, as 30165784489 + 19834215556 = 173683^2 + 140834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50000000045 - 2¹² = 49999995949 is a prime.

50000000045 is a modest number, since divided by 45 gives 5 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49999999957 and 50000000029.

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 7 ways as a sum of consecutive naturals, for example, 21905 + ... + 316985.

It is an arithmetic number, because the mean of its divisors is an integer number (7500246735).

Almost surely, 2^50000000045 is an apocalyptic number.

It is an amenable number.

50000000045 is a deficient number, since it is larger than the sum of its proper divisors (10001973835).

50000000045 is a wasteful number, since it uses less digits than its factorization.

50000000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328975.

The product of its (nonzero) digits is 100, while the sum is 14.

It can be divided in two parts, 500000000 and 45, that multiplied together give a square (22500000000 = 150000²).

The spelling of 50000000045 in words is "fifty billion, forty-five", and thus it is an aban number and an uban number.