2056551570 has 48 divisors (see below), whose sum is σ = 5373950400. Its totient is φ = 545653152.

The previous prime is 2056551529. The next prime is 2056551587. The reversal of 2056551570 is 751556502.

It is a happy number.

2056551570 is a `hidden beast` number, since 2 + 0 + 56 + 551 + 57 + 0 = 666.

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, 39504 + ... + 75323.

It is an arithmetic number, because the mean of its divisors is an integer number (111957300).

Almost surely, 2^2056551570 is an apocalyptic number.

2056551570 is an abundant number, since it is smaller than the sum of its proper divisors (3317398830).

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

2056551570 is a wasteful number, since it uses less digits than its factorization.

2056551570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115039 (or 115036 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 2056551570 is about 45349.2179645912. The cubic root of 2056551570 is about 1271.6859354262.

The spelling of 2056551570 in words is "two billion, fifty-six million, five hundred fifty-one thousand, five hundred seventy".