54808135 has 4 divisors (see below), whose sum is σ = 65769768. Its totient is φ = 43846504.

The previous prime is 54808129. The next prime is 54808139. The reversal of 54808135 is 53180845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54808135 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 54808135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54808139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5480809 + ... + 5480818.

It is an arithmetic number, because the mean of its divisors is an integer number (16442442).

Almost surely, 2^54808135 is an apocalyptic number.

54808135 is a deficient number, since it is larger than the sum of its proper divisors (10961633).

54808135 is a wasteful number, since it uses less digits than its factorization.

54808135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961632.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 54808135 is about 7403.2516504574. The cubic root of 54808135 is about 379.8525166359.

The spelling of 54808135 in words is "fifty-four million, eight hundred eight thousand, one hundred thirty-five".