55875820671 has 24 divisors (see below), whose sum is σ = 88136470656. Its totient is φ = 33829625040.

The previous prime is 55875820667. The next prime is 55875820727. The reversal of 55875820671 is 17602857855.

55875820671 is a `hidden beast` number, since 5 + 58 + 7 + 582 + 0 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 55875820671 - 2² = 55875820667 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55875820631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189765 + ... + 384398.

It is an arithmetic number, because the mean of its divisors is an integer number (3672352944).

Almost surely, 2^55875820671 is an apocalyptic number.

55875820671 is a deficient number, since it is larger than the sum of its proper divisors (32260649985).

55875820671 is a wasteful number, since it uses less digits than its factorization.

55875820671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575163 (or 575160 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 55875820671 in words is "fifty-five billion, eight hundred seventy-five million, eight hundred twenty thousand, six hundred seventy-one".