2897553842 has 16 divisors (see below), whose sum is σ = 4466025240. Its totient is φ = 1408917888.

The previous prime is 2897553811. The next prime is 2897553853. The reversal of 2897553842 is 2483557982.

2897553842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1537345681 + 1360208161 = 39209^2 + 36881^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159278 + ... + 176534.

Almost surely, 2^2897553842 is an apocalyptic number.

2897553842 is a deficient number, since it is larger than the sum of its proper divisors (1568471398).

2897553842 is a wasteful number, since it uses less digits than its factorization.

2897553842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19565.

The product of its digits is 4838400, while the sum is 53.

The square root of 2897553842 is about 53828.9312730617. The cubic root of 2897553842 is about 1425.6420772439.

The spelling of 2897553842 in words is "two billion, eight hundred ninety-seven million, five hundred fifty-three thousand, eight hundred forty-two".