56353066868738 has 4 divisors (see below), whose sum is σ = 84529600303110. Its totient is φ = 28176533434368.

The previous prime is 56353066868689. The next prime is 56353066868773. The reversal of 56353066868738 is 83786866035365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29298328060849 + 27054738807889 = 5412793^2 + 5201417^2 .

It is a super-2 number, since 2×56353066868738² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14088266717183 + ... + 14088266717186.

Almost surely, 2^{56353066868738} is an apocalyptic number.

56353066868738 is a deficient number, since it is larger than the sum of its proper divisors (28176533434372).

56353066868738 is a wasteful number, since it uses less digits than its factorization.

56353066868738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28176533434371.

The product of its (nonzero) digits is 3135283200, while the sum is 74.

The spelling of 56353066868738 in words is "fifty-six trillion, three hundred fifty-three billion, sixty-six million, eight hundred sixty-eight thousand, seven hundred thirty-eight".