50747818 has 32 divisors (see below), whose sum is σ = 85940352. Its totient is φ = 22276800.

The previous prime is 50747813. The next prime is 50747849. The reversal of 50747818 is 81874705.

It is a super-2 number, since 2×50747818² = 5150682063522248, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (50747813) 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, 82480 + ... + 83092.

It is an arithmetic number, because the mean of its divisors is an integer number (2685636).

Almost surely, 2^50747818 is an apocalyptic number.

50747818 is a deficient number, since it is larger than the sum of its proper divisors (35192534).

50747818 is a wasteful number, since it uses less digits than its factorization.

50747818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 50747818 is about 7123.7502763643. The cubic root of 50747818 is about 370.2307253415.

The spelling of 50747818 in words is "fifty million, seven hundred forty-seven thousand, eight hundred eighteen".