2056249547 has 16 divisors (see below), whose sum is σ = 2257912800. Its totient is φ = 1857085440.

The previous prime is 2056249543. The next prime is 2056249583. The reversal of 2056249547 is 7459426502.

It is a cyclic number.

It is not a de Polignac number, because 2056249547 - 2² = 2056249543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2056249498 and 2056249507.

It is not an unprimeable number, because it can be changed into a prime (2056249541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438229 + ... + 1439657.

It is an arithmetic number, because the mean of its divisors is an integer number (141119550).

Almost surely, 2^2056249547 is an apocalyptic number.

2056249547 is a deficient number, since it is larger than the sum of its proper divisors (201663253).

2056249547 is a wasteful number, since it uses less digits than its factorization.

2056249547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 2056249547 is about 45345.8878731027. The cubic root of 2056249547 is about 1271.6236795590.

The spelling of 2056249547 in words is "two billion, fifty-six million, two hundred forty-nine thousand, five hundred forty-seven".