50185830 has 16 divisors (see below), whose sum is σ = 120446064. Its totient is φ = 13382880.

The previous prime is 50185829. The next prime is 50185831. The reversal of 50185830 is 3858105.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50185829) and next prime (50185831).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1672861 = 50185830 / (5 + 0 + 1 + 8 + 5 + 8 + 3 + 0).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50185831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836401 + ... + 836460.

It is an arithmetic number, because the mean of its divisors is an integer number (7527879).

Almost surely, 2^50185830 is an apocalyptic number.

50185830 is an abundant number, since it is smaller than the sum of its proper divisors (70260234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50185830 is a wasteful number, since it uses less digits than its factorization.

50185830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672871.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 50185830 is about 7084.1957906314. The cubic root of 50185830 is about 368.8589879892.

It can be divided in two parts, 50185 and 830, that added together give a palindrome (51015).

The spelling of 50185830 in words is "fifty million, one hundred eighty-five thousand, eight hundred thirty".