55535539 has 8 divisors (see below), whose sum is σ = 57422720. Its totient is φ = 53654400.

The previous prime is 55535521. The next prime is 55535569. The reversal of 55535539 is 93553555.

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 55535539 - 2²⁵ = 21981107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55535569) 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 7 ways as a sum of consecutive naturals, for example, 24619 + ... + 26779.

It is an arithmetic number, because the mean of its divisors is an integer number (7177840).

Almost surely, 2^55535539 is an apocalyptic number.

55535539 is a deficient number, since it is larger than the sum of its proper divisors (1887181).

55535539 is a wasteful number, since it uses less digits than its factorization.

55535539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its digits is 253125, while the sum is 40.

The square root of 55535539 is about 7452.2170526629. The cubic root of 55535539 is about 381.5255822072.

The spelling of 55535539 in words is "fifty-five million, five hundred thirty-five thousand, five hundred thirty-nine".