55255539 has 8 divisors (see below), whose sum is σ = 73711552. Its totient is φ = 36818280.

The previous prime is 55255517. The next prime is 55255573. The reversal of 55255539 is 93555255.

It is a happy number.

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

It is not a de Polignac number, because 55255539 - 2⁸ = 55255283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55255497 and 55255506.

It is not an unprimeable number, because it can be changed into a prime (55255579) 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, 5124 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (9213944).

Almost surely, 2^55255539 is an apocalyptic number.

55255539 is a deficient number, since it is larger than the sum of its proper divisors (18456013).

55255539 is a wasteful number, since it uses less digits than its factorization.

55255539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377.

The product of its digits is 168750, while the sum is 39.

The square root of 55255539 is about 7433.4069577819. The cubic root of 55255539 is about 380.8833075854.

The spelling of 55255539 in words is "fifty-five million, two hundred fifty-five thousand, five hundred thirty-nine".