55680493464 has 96 divisors (see below), whose sum is σ = 156655512000. Its totient is φ = 17845019136.

The previous prime is 55680493459. The next prime is 55680493469. The reversal of 55680493464 is 46439408655.

55680493464 is a `hidden beast` number, since 5 + 568 + 0 + 49 + 34 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (55680493459) and next prime (55680493469).

It is a self number, because there is not a number n which added to its sum of digits gives 55680493464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55680493469) 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, 443244 + ... + 554820.

It is an arithmetic number, because the mean of its divisors is an integer number (1631828250).

Almost surely, 2^55680493464 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 55680493464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78327756000).

55680493464 is an abundant number, since it is smaller than the sum of its proper divisors (100975018536).

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

55680493464 is a wasteful number, since it uses less digits than its factorization.

55680493464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111857 (or 111850 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 55680493464 in words is "fifty-five billion, six hundred eighty million, four hundred ninety-three thousand, four hundred sixty-four".