55506346164 has 72 divisors (see below), whose sum is σ = 140807940000. Its totient is φ = 18436279104.

The previous prime is 55506346121. The next prime is 55506346169. The reversal of 55506346164 is 46164360555.

55506346164 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 634 + 6 + 1 + 6 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55506346169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13539387 + ... + 13543485.

Almost surely, 2^55506346164 is an apocalyptic number.

It is an amenable number.

55506346164 is an abundant number, since it is smaller than the sum of its proper divisors (85301593836).

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

55506346164 is a wasteful number, since it uses less digits than its factorization.

55506346164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357 (or 5352 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 55506346164 in words is "fifty-five billion, five hundred six million, three hundred forty-six thousand, one hundred sixty-four".