2056955774 has 4 divisors (see below), whose sum is σ = 3085433664. Its totient is φ = 1028477886.

The previous prime is 2056955759. The next prime is 2056955863. The reversal of 2056955774 is 4775596502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4775596502 = 2 ⋅2387798251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514238942 + ... + 514238945.

It is an arithmetic number, because the mean of its divisors is an integer number (771358416).

Almost surely, 2^2056955774 is an apocalyptic number.

2056955774 is a deficient number, since it is larger than the sum of its proper divisors (1028477890).

2056955774 is a wasteful number, since it uses less digits than its factorization.

2056955774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028477889.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The square root of 2056955774 is about 45353.6743164212. The cubic root of 2056955774 is about 1271.7692442812.

The spelling of 2056955774 in words is "two billion, fifty-six million, nine hundred fifty-five thousand, seven hundred seventy-four".