55550102401 has 4 divisors (see below), whose sum is σ = 55550619072. Its totient is φ = 55549585732.

The previous prime is 55550102347. The next prime is 55550102453. The reversal of 55550102401 is 10420105555.

55550102401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10420105555 = 5 ⋅2084021111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55550102401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55550102401.

It is not an unprimeable number, because it can be changed into a prime (55550102501) 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, 29485 + ... + 334618.

It is an arithmetic number, because the mean of its divisors is an integer number (13887654768).

Almost surely, 2^55550102401 is an apocalyptic number.

It is an amenable number.

55550102401 is a deficient number, since it is larger than the sum of its proper divisors (516671).

55550102401 is a wasteful number, since it uses less digits than its factorization.

55550102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516670.

The product of its (nonzero) digits is 5000, while the sum is 28.

Adding to 55550102401 its reverse (10420105555), we get a palindrome (65970207956).

The spelling of 55550102401 in words is "fifty-five billion, five hundred fifty million, one hundred two thousand, four hundred one".