2056621546 has 32 divisors (see below), whose sum is σ = 3735752832. Its totient is φ = 828956160.

The previous prime is 2056621513. The next prime is 2056621591. The reversal of 2056621546 is 6451266502.

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, 476470 + ... + 480766.

It is an arithmetic number, because the mean of its divisors is an integer number (116742276).

Almost surely, 2^2056621546 is an apocalyptic number.

2056621546 is a deficient number, since it is larger than the sum of its proper divisors (1679131286).

2056621546 is a wasteful number, since it uses less digits than its factorization.

2056621546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2056621546 is about 45349.9894818069. The cubic root of 2056621546 is about 1271.7003586784.

The spelling of 2056621546 in words is "two billion, fifty-six million, six hundred twenty-one thousand, five hundred forty-six".