50730618 has 32 divisors (see below), whose sum is σ = 107930880. Its totient is φ = 15841280.

The previous prime is 50730613. The next prime is 50730637. The reversal of 50730618 is 81603705.

It is not an unprimeable number, because it can be changed into a prime (50730613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23338 + ... + 25418.

It is an arithmetic number, because the mean of its divisors is an integer number (3372840).

Almost surely, 2^50730618 is an apocalyptic number.

50730618 is an abundant number, since it is smaller than the sum of its proper divisors (57200262).

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

50730618 is a wasteful number, since it uses less digits than its factorization.

50730618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 50730618 is about 7122.5429447635. The cubic root of 50730618 is about 370.1888930796.

It can be divided in two parts, 507 and 30618, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 50730618 in words is "fifty million, seven hundred thirty thousand, six hundred eighteen".