55550050101 has 64 divisors (see below), whose sum is σ = 104780659200. Its totient is φ = 28290705408.

The previous prime is 55550050097. The next prime is 55550050103. The reversal of 55550050101 is 10105005555.

55550050101 is a `hidden beast` number, since 5 + 5 + 5 + 500 + 50 + 101 = 666.

It is not a de Polignac number, because 55550050101 - 2² = 55550050097 is a prime.

It is a super-2 number, since 2×55550050101² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550050103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 318556 + ... + 461061.

It is an arithmetic number, because the mean of its divisors is an integer number (1637197800).

Almost surely, 2^55550050101 is an apocalyptic number.

It is an amenable number.

55550050101 is a deficient number, since it is larger than the sum of its proper divisors (49230609099).

55550050101 is a wasteful number, since it uses less digits than its factorization.

55550050101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779675 (or 779669 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

Adding to 55550050101 its reverse (10105005555), we get a palindrome (65655055656).

The spelling of 55550050101 in words is "fifty-five billion, five hundred fifty million, fifty thousand, one hundred one".