2054797992 has 72 divisors (see below), whose sum is σ = 6026125950. Its totient is φ = 632241792.

The previous prime is 2054797981. The next prime is 2054797999. The reversal of 2054797992 is 2997974502.

2054797992 is a `hidden beast` number, since 2 + 0 + 547 + 9 + 7 + 9 + 92 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 584382276 + 1470415716 = 24174^2 + 38346^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (2054797999) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72267 + ... + 96602.

Almost surely, 2^2054797992 is an apocalyptic number.

It is an amenable number.

2054797992 is an abundant number, since it is smaller than the sum of its proper divisors (3971327958).

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

2054797992 is a wasteful number, since it uses less digits than its factorization.

2054797992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168907 (or 168887 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 2054797992 is about 45329.8796821699. The cubic root of 2054797992 is about 1271.3243860836.

The spelling of 2054797992 in words is "two billion, fifty-four million, seven hundred ninety-seven thousand, nine hundred ninety-two".