55555050005 has 32 divisors (see below), whose sum is σ = 82972512000. Its totient is φ = 34769382912.

The previous prime is 55555049993. The next prime is 55555050013. The reversal of 55555050005 is 50005055555.

It is a cyclic number.

It is not a de Polignac number, because 55555050005 - 2⁶ = 55555049941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645455 + ... + 726444.

It is an arithmetic number, because the mean of its divisors is an integer number (2592891000).

Almost surely, 2^55555050005 is an apocalyptic number.

It is an amenable number.

55555050005 is a deficient number, since it is larger than the sum of its proper divisors (27417461995).

55555050005 is a wasteful number, since it uses less digits than its factorization.

55555050005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372013.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55555050005 in words is "fifty-five billion, five hundred fifty-five million, fifty thousand, five".