55466513520 has 480 divisors, whose sum is σ = 195962457600. Its totient is φ = 12869038080.

The previous prime is 55466513503. The next prime is 55466513539. The reversal of 55466513520 is 2531566455.

55466513520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 372258406 + ... + 372258554.

It is an arithmetic number, because the mean of its divisors is an integer number (408255120).

Almost surely, 2^55466513520 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 55466513520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97981228800).

55466513520 is an abundant number, since it is smaller than the sum of its proper divisors (140495944080).

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

55466513520 is a wasteful number, since it uses less digits than its factorization.

55466513520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 55466513520 in words is "fifty-five billion, four hundred sixty-six million, five hundred thirteen thousand, five hundred twenty".