55277706960 has 320 divisors, whose sum is σ = 223484505600. Its totient is φ = 12293296128.

The previous prime is 55277706931. The next prime is 55277706973. The reversal of 55277706960 is 6960777255.

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

It is a junction number, because it is equal to n+sod(n) for n = 55277706897 and 55277706906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 510036 + ... + 608844.

It is an arithmetic number, because the mean of its divisors is an integer number (698389080).

Almost surely, 2^55277706960 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 55277706960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111742252800).

55277706960 is an abundant number, since it is smaller than the sum of its proper divisors (168206798640).

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

55277706960 is a wasteful number, since it uses less digits than its factorization.

55277706960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98875 (or 98863 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 54.

The spelling of 55277706960 in words is "fifty-five billion, two hundred seventy-seven million, seven hundred six thousand, nine hundred sixty".