55555000005005 has 32 divisors (see below), whose sum is σ = 75377117168640. Its totient is φ = 39084431016960.

The previous prime is 55555000004989. The next prime is 55555000005019. The reversal of 55555000005005 is 50050000055555.

It is not a de Polignac number, because 55555000005005 - 2⁴ = 55555000004989 is a prime.

It is a super-2 number, since 2×55555000005005² (a number of 28 digits) contains 22 as substring.

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, 363432059 + ... + 363584888.

It is an arithmetic number, because the mean of its divisors is an integer number (2355534911520).

Almost surely, 2^{55555000005005} is an apocalyptic number.

It is an amenable number.

55555000005005 is a deficient number, since it is larger than the sum of its proper divisors (19822117163635).

55555000005005 is a wasteful number, since it uses less digits than its factorization.

55555000005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727017029.

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

The spelling of 55555000005005 in words is "fifty-five trillion, five hundred fifty-five billion, five thousand, five".