2552556545 has 32 divisors (see below), whose sum is σ = 4043540736. Its totient is φ = 1497600000.

The previous prime is 2552556541. The next prime is 2552556547. The reversal of 2552556545 is 5456552552.

It is not a de Polignac number, because 2552556545 - 2² = 2552556541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2552556496 and 2552556505.

It is not an unprimeable number, because it can be changed into a prime (2552556541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188456 + ... + 201545.

It is an arithmetic number, because the mean of its divisors is an integer number (126360648).

Almost surely, 2^2552556545 is an apocalyptic number.

It is an amenable number.

2552556545 is a deficient number, since it is larger than the sum of its proper divisors (1490984191).

2552556545 is a wasteful number, since it uses less digits than its factorization.

2552556545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390041.

The product of its digits is 1500000, while the sum is 44.

The square root of 2552556545 is about 50522.8319178567. The cubic root of 2552556545 is about 1366.6536234792.

The spelling of 2552556545 in words is "two billion, five hundred fifty-two million, five hundred fifty-six thousand, five hundred forty-five".