2055656520 has 96 divisors (see below), whose sum is σ = 6686479800. Its totient is φ = 547716096.

The previous prime is 2055656513. The next prime is 2055656549. The reversal of 2055656520 is 256565502.

2055656520 is a `hidden beast` number, since 2 + 0 + 556 + 56 + 52 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2008294596 + 47361924 = 44814^2 + 6882^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830004 + ... + 832476.

Almost surely, 2^2055656520 is an apocalyptic number.

2055656520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055656520 is an abundant number, since it is smaller than the sum of its proper divisors (4630823280).

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

2055656520 is a wasteful number, since it uses less digits than its factorization.

2055656520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2055656520 is about 45339.3484734838. The cubic root of 2055656520 is about 1271.5014214274.

The spelling of 2055656520 in words is "two billion, fifty-five million, six hundred fifty-six thousand, five hundred twenty".