2054899562 has 16 divisors (see below), whose sum is σ = 3167241480. Its totient is φ = 999180288.

The previous prime is 2054899519. The next prime is 2054899589. The reversal of 2054899562 is 2659984502.

It is a Cunningham number, because it is equal to 45331²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2054899561 + 1 = 45331^2 + 1^2 .

It is a super-2 number, since 2×2054899562² = 8445224419815583688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2054899562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173114 + ... + 184602.

Almost surely, 2^2054899562 is an apocalyptic number.

2054899562 is a deficient number, since it is larger than the sum of its proper divisors (1112341918).

2054899562 is a wasteful number, since it uses less digits than its factorization.

2054899562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 2054899562 is about 45331.0000110300. Note that the first 4 decimals coincide. The cubic root of 2054899562 is about 1271.3453332020.

The spelling of 2054899562 in words is "two billion, fifty-four million, eight hundred ninety-nine thousand, five hundred sixty-two".