50061577 has 4 divisors (see below), whose sum is σ = 50190660. Its totient is φ = 49932496.

The previous prime is 50061563. The next prime is 50061601. The reversal of 50061577 is 77516005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 15768841 = 5856^2 + 3971^2 .

It is a cyclic number.

It is not a de Polignac number, because 50061577 - 2¹⁵ = 50028809 is a prime.

It is a super-2 number, since 2×50061577² = 5012322983453858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50061527) 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, 63958 + ... + 64735.

It is an arithmetic number, because the mean of its divisors is an integer number (12547665).

Almost surely, 2^50061577 is an apocalyptic number.

It is an amenable number.

50061577 is a deficient number, since it is larger than the sum of its proper divisors (129083).

50061577 is a wasteful number, since it uses less digits than its factorization.

50061577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129082.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 50061577 is about 7075.4206235389. The cubic root of 50061577 is about 368.5543222278.

The spelling of 50061577 in words is "fifty million, sixty-one thousand, five hundred seventy-seven".