55346794664 has 64 divisors (see below), whose sum is σ = 120618274560. Its totient is φ = 23319705600.

The previous prime is 55346794639. The next prime is 55346794687. The reversal of 55346794664 is 46649764355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786494 + ... + 853970.

It is an arithmetic number, because the mean of its divisors is an integer number (1884660540).

Almost surely, 2^55346794664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55346794664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60309137280).

55346794664 is an abundant number, since it is smaller than the sum of its proper divisors (65271479896).

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

55346794664 is a wasteful number, since it uses less digits than its factorization.

55346794664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67738 (or 67734 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 59.

The spelling of 55346794664 in words is "fifty-five billion, three hundred forty-six million, seven hundred ninety-four thousand, six hundred sixty-four".