50660538 has 16 divisors (see below), whose sum is σ = 101415456. Its totient is φ = 16871120.

The previous prime is 50660521. The next prime is 50660539. The reversal of 50660538 is 83506605.

It is a super-2 number, since 2×50660538² = 5132980220898888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50660499 and 50660508.

It is not an unprimeable number, because it can be changed into a prime (50660539) 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, 4408 + ... + 10988.

It is an arithmetic number, because the mean of its divisors is an integer number (6338466).

Almost surely, 2^50660538 is an apocalyptic number.

50660538 is an abundant number, since it is smaller than the sum of its proper divisors (50754918).

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

50660538 is a wasteful number, since it uses less digits than its factorization.

50660538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 50660538 is about 7117.6216533334. The cubic root of 50660538 is about 370.0183531193.

The spelling of 50660538 in words is "fifty million, six hundred sixty thousand, five hundred thirty-eight".