55562773568401 has 4 divisors (see below), whose sum is σ = 60613934801904. Its totient is φ = 50511612334900.

The previous prime is 55562773568387. The next prime is 55562773568413. The reversal of 55562773568401 is 10486537726555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55562773568401 - 2¹⁹ = 55562773044113 is a prime.

It is a super-2 number, since 2×55562773568401² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55562773568501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525580616735 + ... + 2525580616756.

It is an arithmetic number, because the mean of its divisors is an integer number (15153483700476).

Almost surely, 2^{55562773568401} is an apocalyptic number.

It is an amenable number.

55562773568401 is a deficient number, since it is larger than the sum of its proper divisors (5051161233503).

55562773568401 is a wasteful number, since it uses less digits than its factorization.

55562773568401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051161233502.

The product of its (nonzero) digits is 211680000, while the sum is 64.

The spelling of 55562773568401 in words is "fifty-five trillion, five hundred sixty-two billion, seven hundred seventy-three million, five hundred sixty-eight thousand, four hundred one".