50351018 has 8 divisors (see below), whose sum is σ = 78130980. Its totient is φ = 24307360.

The previous prime is 50351017. The next prime is 50351027. The reversal of 50351018 is 81015305.

It can be written as a sum of positive squares in 2 ways, for example, as 48121969 + 2229049 = 6937^2 + 1493^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 50350984 and 50351002.

It is not an unprimeable number, because it can be changed into a prime (50351011) 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, 434003 + ... + 434118.

Almost surely, 2^50351018 is an apocalyptic number.

50351018 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50351018 is a deficient number, since it is larger than the sum of its proper divisors (27779962).

50351018 is a wasteful number, since it uses less digits than its factorization.

50351018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868152.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 50351018 is about 7095.8451223233. The cubic root of 50351018 is about 369.2632478397.

The spelling of 50351018 in words is "fifty million, three hundred fifty-one thousand, eighteen".