50979955 has 8 divisors (see below), whose sum is σ = 65881872. Its totient is φ = 37646688.

The previous prime is 50979947. The next prime is 50979967. The reversal of 50979955 is 55997905.

It is a happy number.

50979955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50979955 - 2³ = 50979947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50979899 and 50979908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392089 + ... + 392218.

It is an arithmetic number, because the mean of its divisors is an integer number (8235234).

Almost surely, 2^50979955 is an apocalyptic number.

50979955 is a deficient number, since it is larger than the sum of its proper divisors (14901917).

50979955 is a wasteful number, since it uses less digits than its factorization.

50979955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784325.

The product of its (nonzero) digits is 637875, while the sum is 49.

The square root of 50979955 is about 7140.0248599007. The cubic root of 50979955 is about 370.7943852823.

The spelling of 50979955 in words is "fifty million, nine hundred seventy-nine thousand, nine hundred fifty-five".