50601778 has 4 divisors (see below), whose sum is σ = 75902670. Its totient is φ = 25300888.

The previous prime is 50601773. The next prime is 50601787. The reversal of 50601778 is 87710605.

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

It can be written as a sum of positive squares in only one way, i.e., 28483569 + 22118209 = 5337^2 + 4703^2 .

It is a super-2 number, since 2×50601778² = 5121079873522568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50601773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650443 + ... + 12650446.

Almost surely, 2^50601778 is an apocalyptic number.

50601778 is a deficient number, since it is larger than the sum of its proper divisors (25300892).

50601778 is a wasteful number, since it uses less digits than its factorization.

50601778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300891.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 50601778 is about 7113.4926723797. The cubic root of 50601778 is about 369.8752391636.

The spelling of 50601778 in words is "fifty million, six hundred one thousand, seven hundred seventy-eight".