55256664164 has 48 divisors (see below), whose sum is σ = 105252037632. Its totient is φ = 25230976512.

The previous prime is 55256664163. The next prime is 55256664179. The reversal of 55256664164 is 46146665255.

55256664164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55256664163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3299837 + ... + 3316539.

It is an arithmetic number, because the mean of its divisors is an integer number (2192750784).

Almost surely, 2^55256664164 is an apocalyptic number.

It is an amenable number.

55256664164 is a deficient number, since it is larger than the sum of its proper divisors (49995373468).

55256664164 is a wasteful number, since it uses less digits than its factorization.

55256664164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17396 (or 17394 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 50.

The spelling of 55256664164 in words is "fifty-five billion, two hundred fifty-six million, six hundred sixty-four thousand, one hundred sixty-four".