55671822642 has 64 divisors (see below), whose sum is σ = 113752488960. Its totient is φ = 18159920064.

The previous prime is 55671822641. The next prime is 55671822643. The reversal of 55671822642 is 24622817655.

55671822642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55671822641) and next prime (55671822643).

It is a junction number, because it is equal to n+sod(n) for n = 55671822591 and 55671822600.

It is not an unprimeable number, because it can be changed into a prime (55671822641) 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, 64809609 + ... + 64810467.

It is an arithmetic number, because the mean of its divisors is an integer number (1777382640).

Almost surely, 2^55671822642 is an apocalyptic number.

55671822642 is an abundant number, since it is smaller than the sum of its proper divisors (58080666318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55671822642 is a wasteful number, since it uses less digits than its factorization.

55671822642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 1612800, while the sum is 48.

The spelling of 55671822642 in words is "fifty-five billion, six hundred seventy-one million, eight hundred twenty-two thousand, six hundred forty-two".