2053976545 has 16 divisors (see below), whose sum is σ = 2502375120. Its totient is φ = 1618182144.

The previous prime is 2053976543. The next prime is 2053976609. The reversal of 2053976545 is 5456793502.

It can be written as a sum of positive squares in 8 ways, for example, as 22581504 + 2031395041 = 4752^2 + 45071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053976545 - 2¹ = 2053976543 is a prime.

It is a super-3 number, since 3×2053976545³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2053976495 and 2053976504.

It is not an unprimeable number, because it can be changed into a prime (2053976543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254817 + ... + 262753.

It is an arithmetic number, because the mean of its divisors is an integer number (156398445).

Almost surely, 2^2053976545 is an apocalyptic number.

It is an amenable number.

2053976545 is a deficient number, since it is larger than the sum of its proper divisors (448398575).

2053976545 is an equidigital number, since it uses as much as digits as its factorization.

2053976545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The square root of 2053976545 is about 45320.8180089460. The cubic root of 2053976545 is about 1271.1549509694.

The spelling of 2053976545 in words is "two billion, fifty-three million, nine hundred seventy-six thousand, five hundred forty-five".