2053779554 has 8 divisors (see below), whose sum is σ = 3261885228. Its totient is φ = 966484480.

The previous prime is 2053779547. The next prime is 2053779577. The reversal of 2053779554 is 4559773502.

It can be written as a sum of positive squares in 2 ways, for example, as 1952314225 + 101465329 = 44185^2 + 10073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2053779499 and 2053779508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30202607 + ... + 30202674.

Almost surely, 2^2053779554 is an apocalyptic number.

2053779554 is a deficient number, since it is larger than the sum of its proper divisors (1208105674).

2053779554 is a wasteful number, since it uses less digits than its factorization.

2053779554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60405300.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The square root of 2053779554 is about 45318.6446619931. The cubic root of 2053779554 is about 1271.1143120616.

The spelling of 2053779554 in words is "two billion, fifty-three million, seven hundred seventy-nine thousand, five hundred fifty-four".