2555542534 has 4 divisors (see below), whose sum is σ = 3833313804. Its totient is φ = 1277771266.

The previous prime is 2555542531. The next prime is 2555542543. The reversal of 2555542534 is 4352455552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555542531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638885632 + ... + 638885635.

It is an arithmetic number, because the mean of its divisors is an integer number (958328451).

Almost surely, 2^2555542534 is an apocalyptic number.

2555542534 is a deficient number, since it is larger than the sum of its proper divisors (1277771270).

2555542534 is a wasteful number, since it uses less digits than its factorization.

2555542534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277771269.

The product of its digits is 600000, while the sum is 40.

The square root of 2555542534 is about 50552.3741677876. The cubic root of 2555542534 is about 1367.1863211098.

The spelling of 2555542534 in words is "two billion, five hundred fifty-five million, five hundred forty-two thousand, five hundred thirty-four".