50465978 has 4 divisors (see below), whose sum is σ = 75698970. Its totient is φ = 25232988.

The previous prime is 50465969. The next prime is 50465981. The reversal of 50465978 is 87956405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 4592449 = 6773^2 + 2143^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12616493 + ... + 12616496.

Almost surely, 2^50465978 is an apocalyptic number.

50465978 is a deficient number, since it is larger than the sum of its proper divisors (25232992).

50465978 is a wasteful number, since it uses less digits than its factorization.

50465978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25232991.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 50465978 is about 7103.9410188993. The cubic root of 50465978 is about 369.5440646488.

The spelling of 50465978 in words is "fifty million, four hundred sixty-five thousand, nine hundred seventy-eight".