50933640 has 64 divisors (see below), whose sum is σ = 153316800. Its totient is φ = 13536512.

The previous prime is 50933639. The next prime is 50933647. The reversal of 50933640 is 4633905.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50933598 and 50933607.

It is not an unprimeable number, because it can be changed into a prime (50933647) 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 15 ways as a sum of consecutive naturals, for example, 49774 + ... + 50786.

It is an arithmetic number, because the mean of its divisors is an integer number (2395575).

Almost surely, 2^50933640 is an apocalyptic number.

It is an amenable number.

50933640 is an abundant number, since it is smaller than the sum of its proper divisors (102383160).

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

50933640 is a wasteful number, since it uses less digits than its factorization.

50933640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 50933640 is about 7136.7807868814. The cubic root of 50933640 is about 370.6820630620.

The spelling of 50933640 in words is "fifty million, nine hundred thirty-three thousand, six hundred forty".