2055571050520 has 64 divisors (see below), whose sum is σ = 4981147708320. Its totient is φ = 758928129024.

The previous prime is 2055571050473. The next prime is 2055571050581. The reversal of 2055571050520 is 250501755502.

It is a self number, because there is not a number n which added to its sum of digits gives 2055571050520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7930899 + ... + 8185981.

Almost surely, 2^{2055571050520} is an apocalyptic number.

2055571050520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055571050520 is an abundant number, since it is smaller than the sum of its proper divisors (2925576657800).

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

2055571050520 is a wasteful number, since it uses less digits than its factorization.

2055571050520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270604 (or 270600 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 37.

The spelling of 2055571050520 in words is "two trillion, fifty-five billion, five hundred seventy-one million, fifty thousand, five hundred twenty".