55806412895 has 8 divisors (see below), whose sum is σ = 68102741520. Its totient is φ = 43888432960.

The previous prime is 55806412891. The next prime is 55806412897. The reversal of 55806412895 is 59821460855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55806412895 - 2² = 55806412891 is a prime.

It is a super-2 number, since 2×55806412895² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55806412891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94586846 + ... + 94587435.

It is an arithmetic number, because the mean of its divisors is an integer number (8512842690).

Almost surely, 2^55806412895 is an apocalyptic number.

55806412895 is a deficient number, since it is larger than the sum of its proper divisors (12296328625).

55806412895 is a wasteful number, since it uses less digits than its factorization.

55806412895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189174345.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 55806412895 in words is "fifty-five billion, eight hundred six million, four hundred twelve thousand, eight hundred ninety-five".