50683978 has 4 divisors (see below), whose sum is σ = 76025970. Its totient is φ = 25341988.

The previous prime is 50683961. The next prime is 50683991. The reversal of 50683978 is 87938605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87938605 = 5 ⋅17587721.

It can be written as a sum of positive squares in only one way, i.e., 40360609 + 10323369 = 6353^2 + 3213^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12670993 + ... + 12670996.

Almost surely, 2^50683978 is an apocalyptic number.

50683978 is a deficient number, since it is larger than the sum of its proper divisors (25341992).

50683978 is a wasteful number, since it uses less digits than its factorization.

50683978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25341991.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 50683978 is about 7119.2680803577. The cubic root of 50683978 is about 370.0754119480.

The spelling of 50683978 in words is "fifty million, six hundred eighty-three thousand, nine hundred seventy-eight".