55276671516 has 144 divisors (see below), whose sum is σ = 148535761920. Its totient is φ = 15967353600.

The previous prime is 55276671503. The next prime is 55276671553. The reversal of 55276671516 is 61517667255.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 3006640 + ... + 3024968.

Almost surely, 2^55276671516 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 55276671516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74267880960).

55276671516 is an abundant number, since it is smaller than the sum of its proper divisors (93259090404).

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

55276671516 is a wasteful number, since it uses less digits than its factorization.

55276671516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456 (or 18443 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 51.

The spelling of 55276671516 in words is "fifty-five billion, two hundred seventy-six million, six hundred seventy-one thousand, five hundred sixteen".