2155534526 has 16 divisors (see below), whose sum is σ = 3273661440. Its totient is φ = 1064368800.

The previous prime is 2155534523. The next prime is 2155534531. The reversal of 2155534526 is 6254355512.

2155534526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2155534526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155534523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66755 + ... + 93633.

It is an arithmetic number, because the mean of its divisors is an integer number (204603840).

Almost surely, 2^2155534526 is an apocalyptic number.

2155534526 is a deficient number, since it is larger than the sum of its proper divisors (1118126914).

2155534526 is a wasteful number, since it uses less digits than its factorization.

2155534526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27379.

The product of its digits is 180000, while the sum is 38.

The square root of 2155534526 is about 46427.7344482799. The cubic root of 2155534526 is about 1291.7694057403.

The spelling of 2155534526 in words is "two billion, one hundred fifty-five million, five hundred thirty-four thousand, five hundred twenty-six".