55594547064 has 192 divisors, whose sum is σ = 173459931840. Its totient is φ = 15757148160.

The previous prime is 55594547011. The next prime is 55594547087. The reversal of 55594547064 is 46074549555.

55594547064 is a `hidden beast` number, since 5 + 5 + 5 + 94 + 547 + 0 + 6 + 4 = 666.

It is a super-2 number, since 2×55594547064² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55594547064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50678164 + ... + 50679260.

It is an arithmetic number, because the mean of its divisors is an integer number (903437145).

Almost surely, 2^55594547064 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 55594547064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86729965920).

55594547064 is an abundant number, since it is smaller than the sum of its proper divisors (117865384776).

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

55594547064 is a wasteful number, since it uses less digits than its factorization.

55594547064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 54.

The spelling of 55594547064 in words is "fifty-five billion, five hundred ninety-four million, five hundred forty-seven thousand, sixty-four".