55423170403201 has 4 divisors (see below), whose sum is σ = 55448282852352. Its totient is φ = 55398057954052.

The previous prime is 55423170403141. The next prime is 55423170403217. The reversal of 55423170403201 is 10230407132455.

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 55423170403201 - 2²¹ = 55423168306049 is a prime.

It is a super-2 number, since 2×55423170403201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55423170403801) 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, 12556221265 + ... + 12556225678.

It is an arithmetic number, because the mean of its divisors is an integer number (13862070713088).

Almost surely, 2^{55423170403201} is an apocalyptic number.

It is an amenable number.

55423170403201 is a deficient number, since it is larger than the sum of its proper divisors (25112449151).

55423170403201 is a wasteful number, since it uses less digits than its factorization.

55423170403201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25112449150.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 55423170403201 its reverse (10230407132455), we get a palindrome (65653577535656).

The spelling of 55423170403201 in words is "fifty-five trillion, four hundred twenty-three billion, one hundred seventy million, four hundred three thousand, two hundred one".