55506050505 has 24 divisors (see below), whose sum is σ = 97646470272. Its totient is φ = 29161386144.

The previous prime is 55506050491. The next prime is 55506050507. The reversal of 55506050505 is 50505060555.

55506050505 is a `hidden beast` number, since 5 + 550 + 6 + 0 + 50 + 50 + 5 = 666.

It is not a de Polignac number, because 55506050505 - 2⁶ = 55506050441 is a prime.

It is a super-2 number, since 2×55506050505² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55506050505.

It is not an unprimeable number, because it can be changed into a prime (55506050507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9201969 + ... + 9207998.

It is an arithmetic number, because the mean of its divisors is an integer number (4068602928).

Almost surely, 2^55506050505 is an apocalyptic number.

It is an amenable number.

55506050505 is a deficient number, since it is larger than the sum of its proper divisors (42140419767).

55506050505 is a wasteful number, since it uses less digits than its factorization.

55506050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18410045 (or 18410042 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 55506050505 in words is "fifty-five billion, five hundred six million, fifty thousand, five hundred five".