50228756637618 has 16 divisors (see below), whose sum is σ = 108185014296576. Its totient is φ = 15455002042320.

The previous prime is 50228756637601. The next prime is 50228756637629. The reversal of 50228756637618 is 81673665782205.

It is a super-2 number, since 2×50228756637618² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321979209138 + ... + 321979209293.

It is an arithmetic number, because the mean of its divisors is an integer number (6761563393536).

Almost surely, 2^{50228756637618} is an apocalyptic number.

50228756637618 is an abundant number, since it is smaller than the sum of its proper divisors (57956257658958).

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

50228756637618 is a wasteful number, since it uses less digits than its factorization.

50228756637618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643958418449.

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 50228756637618 in words is "fifty trillion, two hundred twenty-eight billion, seven hundred fifty-six million, six hundred thirty-seven thousand, six hundred eighteen".