50400016 has 10 divisors (see below), whose sum is σ = 97650062. Its totient is φ = 25200000.

The previous prime is 50400001. The next prime is 50400037. The reversal of 50400016 is 61000405.

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 1679616 = 6980^2 + 1296^2 .

It is a super-2 number, since 2×50400016² = 5080323225600512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 3150001 = 50400016 / (5 + 0 + 4 + 0 + 0 + 0 + 1 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574985 + ... + 1575016.

Almost surely, 2^50400016 is an apocalyptic number.

It is an amenable number.

50400016 is a deficient number, since it is larger than the sum of its proper divisors (47250046).

50400016 is a wasteful number, since it uses less digits than its factorization.

50400016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150009 (or 3150003 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 50400016 is about 7099.2968665918. The cubic root of 50400016 is about 369.3829891777.

The spelling of 50400016 in words is "fifty million, four hundred thousand, sixteen".