50388970 has 16 divisors (see below), whose sum is σ = 90786600. Its totient is φ = 20136384.

The previous prime is 50388967. The next prime is 50388971. The reversal of 50388970 is 7988305.

It can be written as a sum of positive squares in 4 ways, for example, as 48622729 + 1766241 = 6973^2 + 1329^2 .

It is not an unprimeable number, because it can be changed into a prime (50388971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13864 + ... + 17116.

Almost surely, 2^50388970 is an apocalyptic number.

50388970 is a deficient number, since it is larger than the sum of its proper divisors (40397630).

50388970 is a wasteful number, since it uses less digits than its factorization.

50388970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 50388970 is about 7098.5188595932. The cubic root of 50388970 is about 369.3560017351.

The spelling of 50388970 in words is "fifty million, three hundred eighty-eight thousand, nine hundred seventy".