55347079680 has 560 divisors, whose sum is σ = 203519188224. Its totient is φ = 14422302720.

The previous prime is 55347079649. The next prime is 55347079691. The reversal of 55347079680 is 8697074355.

55347079680 is a `hidden beast` number, since 5 + 5 + 3 + 470 + 7 + 96 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 87712965 + ... + 87713595.

Almost surely, 2^55347079680 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 55347079680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101759594112).

55347079680 is an abundant number, since it is smaller than the sum of its proper divisors (148172108544).

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

55347079680 is an frugal number, since it uses more digits than its factorization.

55347079680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 55347079680 in words is "fifty-five billion, three hundred forty-seven million, seventy-nine thousand, six hundred eighty".