55255346616 has 64 divisors (see below), whose sum is σ = 142859059200. Its totient is φ = 17791228800.

The previous prime is 55255346611. The next prime is 55255346617. The reversal of 55255346616 is 61664355255.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255346611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333865 + ... + 471143.

It is an arithmetic number, because the mean of its divisors is an integer number (2232172800).

Almost surely, 2^55255346616 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 55255346616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71429529600).

55255346616 is an abundant number, since it is smaller than the sum of its proper divisors (87603712584).

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

55255346616 is a wasteful number, since it uses less digits than its factorization.

55255346616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137860 (or 137856 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 55255346616 in words is "fifty-five billion, two hundred fifty-five million, three hundred forty-six thousand, six hundred sixteen".