55602808140 has 216 divisors, whose sum is σ = 181793331216. Its totient is φ = 12686080000.

The previous prime is 55602808103. The next prime is 55602808147. The reversal of 55602808140 is 4180820655.

55602808140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55602808147) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2084890 + ... + 2111390.

Almost surely, 2^55602808140 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 55602808140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90896665608).

55602808140 is an abundant number, since it is smaller than the sum of its proper divisors (126190523076).

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

55602808140 is a wasteful number, since it uses less digits than its factorization.

55602808140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26569 (or 26539 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 55602808140 in words is "fifty-five billion, six hundred two million, eight hundred eight thousand, one hundred forty".