50979197 has 4 divisors (see below), whose sum is σ = 51380736. Its totient is φ = 50577660.

The previous prime is 50979179. The next prime is 50979217. The reversal of 50979197 is 79197905.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79197905 = 5 ⋅15839581.

It is a cyclic number.

It is not a de Polignac number, because 50979197 - 2¹⁸ = 50717053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50979497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200579 + ... + 200832.

It is an arithmetic number, because the mean of its divisors is an integer number (12845184).

Almost surely, 2^50979197 is an apocalyptic number.

It is an amenable number.

50979197 is a deficient number, since it is larger than the sum of its proper divisors (401539).

50979197 is a wasteful number, since it uses less digits than its factorization.

50979197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401538.

The product of its (nonzero) digits is 178605, while the sum is 47.

The square root of 50979197 is about 7139.9717786557. The cubic root of 50979197 is about 370.7925475434.

The spelling of 50979197 in words is "fifty million, nine hundred seventy-nine thousand, one hundred ninety-seven".