50976977 has 4 divisors (see below), whose sum is σ = 50995620. Its totient is φ = 50958336.

The previous prime is 50976953. The next prime is 50977001. The reversal of 50976977 is 77967905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77967905 = 5 ⋅15593581.

It is an interprime number because it is at equal distance from previous prime (50976953) and next prime (50977001).

It can be written as a sum of positive squares in 2 ways, for example, as 5764801 + 45212176 = 2401^2 + 6724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50976977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50979977) 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, 4328 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (12748905).

Almost surely, 2^50976977 is an apocalyptic number.

It is an amenable number.

50976977 is a deficient number, since it is larger than the sum of its proper divisors (18643).

50976977 is a wasteful number, since it uses less digits than its factorization.

50976977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18642.

The product of its (nonzero) digits is 833490, while the sum is 50.

The square root of 50976977 is about 7139.8163141638. The cubic root of 50976977 is about 370.7871651427.

The spelling of 50976977 in words is "fifty million, nine hundred seventy-six thousand, nine hundred seventy-seven".