50745986 has 8 divisors (see below), whose sum is σ = 80596620. Its totient is φ = 23880448.

The previous prime is 50745983. The next prime is 50745991. The reversal of 50745986 is 68954705.

It can be written as a sum of positive squares in 2 ways, for example, as 49434961 + 1311025 = 7031^2 + 1145^2 .

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

It is a super-2 number, since 2×50745986² = 5150310190224392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50745983) 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, 746231 + ... + 746298.

Almost surely, 2^50745986 is an apocalyptic number.

50745986 is a deficient number, since it is larger than the sum of its proper divisors (29850634).

50745986 is a wasteful number, since it uses less digits than its factorization.

50745986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492548.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 50745986 is about 7123.6216912467. The cubic root of 50745986 is about 370.2262701690.

The spelling of 50745986 in words is "fifty million, seven hundred forty-five thousand, nine hundred eighty-six".