55671488769 has 32 divisors (see below), whose sum is σ = 84775590144. Its totient is φ = 32192778240.

The previous prime is 55671488713. The next prime is 55671488771. The reversal of 55671488769 is 96788417655.

It is a happy number.

It is not a de Polignac number, because 55671488769 - 2²⁰ = 55670440193 is a prime.

It is a super-2 number, since 2×55671488769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55671480769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351817 + ... + 484889.

It is an arithmetic number, because the mean of its divisors is an integer number (2649237192).

Almost surely, 2^55671488769 is an apocalyptic number.

It is an amenable number.

55671488769 is a deficient number, since it is larger than the sum of its proper divisors (29104101375).

55671488769 is a wasteful number, since it uses less digits than its factorization.

55671488769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133737.

The product of its digits is 101606400, while the sum is 66.

The spelling of 55671488769 in words is "fifty-five billion, six hundred seventy-one million, four hundred eighty-eight thousand, seven hundred sixty-nine".