50719977 has 24 divisors (see below), whose sum is σ = 91341120. Its totient is φ = 26347680.

The previous prime is 50719973. The next prime is 50719979. The reversal of 50719977 is 77991705.

It is not a de Polignac number, because 50719977 - 2² = 50719973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50719973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35902 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (3805880).

Almost surely, 2^50719977 is an apocalyptic number.

It is an amenable number.

50719977 is a deficient number, since it is larger than the sum of its proper divisors (40621143).

50719977 is a wasteful number, since it uses less digits than its factorization.

50719977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73213 (or 73210 counting only the distinct ones).

The product of its (nonzero) digits is 138915, while the sum is 45.

The square root of 50719977 is about 7121.7959111449. The cubic root of 50719977 is about 370.1630082812.

It can be divided in two parts, 50 and 719977, that added together give a palindrome (720027).

The spelling of 50719977 in words is "fifty million, seven hundred nineteen thousand, nine hundred seventy-seven".