55526513 has 8 divisors (see below), whose sum is σ = 63664128. Its totient is φ = 47440224.

The previous prime is 55526509. The next prime is 55526533. The reversal of 55526513 is 31562555.

55526513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55526513 - 2² = 55526509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55526513.

It is not an unprimeable number, because it can be changed into a prime (55526533) 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 in 7 ways as a sum of consecutive naturals, for example, 10481 + ... + 14862.

It is an arithmetic number, because the mean of its divisors is an integer number (7958016).

Almost surely, 2^55526513 is an apocalyptic number.

It is an amenable number.

55526513 is a deficient number, since it is larger than the sum of its proper divisors (8137615).

55526513 is a wasteful number, since it uses less digits than its factorization.

55526513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25663.

The product of its digits is 22500, while the sum is 32.

The square root of 55526513 is about 7451.6114364612. The cubic root of 55526513 is about 381.5049117407.

The spelling of 55526513 in words is "fifty-five million, five hundred twenty-six thousand, five hundred thirteen".