50381604 has 135 divisors (see below), whose sum is σ = 160490967. Its totient is φ = 13287456.

The previous prime is 50381599. The next prime is 50381629. The reversal of 50381604 is 40618305.

The square root of 50381604 is 7098.

It is a perfect power (a square), and thus also a powerful number.

50381604 is a `hidden beast` number, since 50 + 3 + 8 + 1 + 604 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24980004 + 25401600 = 4998^2 + 5040^2 .

It is a super-2 number, since 2×50381604² = 5076612043225632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3875502 + ... + 3875514.

Almost surely, 2^50381604 is an apocalyptic number.

50381604 is the 7098-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50381604

50381604 is an abundant number, since it is smaller than the sum of its proper divisors (110109363).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50381604 is a wasteful number, since it uses less digits than its factorization.

50381604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The cubic root of 50381604 is about 369.3380030283.

Adding to 50381604 its reverse (40618305), we get a palindrome (90999909).

The spelling of 50381604 in words is "fifty million, three hundred eighty-one thousand, six hundred four".