55155610047 has 8 divisors (see below), whose sum is σ = 73547337600. Its totient is φ = 36767144600.

The previous prime is 55155610007. The next prime is 55155610051. The reversal of 55155610047 is 74001655155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55155610047 - 2⁶ = 55155609983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55155609987 and 55155610014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55155610007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775797 + ... + 843902.

It is an arithmetic number, because the mean of its divisors is an integer number (9193417200).

Almost surely, 2^55155610047 is an apocalyptic number.

55155610047 is a deficient number, since it is larger than the sum of its proper divisors (18391727553).

55155610047 is a wasteful number, since it uses less digits than its factorization.

55155610047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631053.

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 55155610047 in words is "fifty-five billion, one hundred fifty-five million, six hundred ten thousand, forty-seven".