50621650 has 12 divisors (see below), whose sum is σ = 94156362. Its totient is φ = 20248640.

The previous prime is 50621647. The next prime is 50621653. The reversal of 50621650 is 5612605.

It is an interprime number because it is at equal distance from previous prime (50621647) and next prime (50621653).

It can be written as a sum of positive squares in 3 ways, for example, as 20820969 + 29800681 = 4563^2 + 5459^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (50621653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506167 + ... + 506266.

Almost surely, 2^50621650 is an apocalyptic number.

50621650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50621650 is a deficient number, since it is larger than the sum of its proper divisors (43534712).

50621650 is a wasteful number, since it uses less digits than its factorization.

50621650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012445 (or 1012440 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 50621650 is about 7114.8893174806. The cubic root of 50621650 is about 369.9236511568.

The spelling of 50621650 in words is "fifty million, six hundred twenty-one thousand, six hundred fifty".