56147835220318 has 16 divisors (see below), whose sum is σ = 91514298493440. Its totient is φ = 25738396450200.

The previous prime is 56147835220283. The next prime is 56147835220387. The reversal of 56147835220318 is 81302253874165.

It is a super-2 number, since 2×56147835220318² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 23831847388 + ... + 23831849743.

It is an arithmetic number, because the mean of its divisors is an integer number (5719643655840).

Almost surely, 2^{56147835220318} is an apocalyptic number.

56147835220318 is a deficient number, since it is larger than the sum of its proper divisors (35366463273122).

56147835220318 is a wasteful number, since it uses less digits than its factorization.

56147835220318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47663697183.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 56147835220318 in words is "fifty-six trillion, one hundred forty-seven billion, eight hundred thirty-five million, two hundred twenty thousand, three hundred eighteen".