54185135 has 4 divisors (see below), whose sum is σ = 65022168. Its totient is φ = 43348104.

The previous prime is 54185129. The next prime is 54185177. The reversal of 54185135 is 53158145.

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

It is a cyclic number.

It is not a de Polignac number, because 54185135 - 2⁶ = 54185071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5418509 + ... + 5418518.

It is an arithmetic number, because the mean of its divisors is an integer number (16255542).

Almost surely, 2^54185135 is an apocalyptic number.

54185135 is a deficient number, since it is larger than the sum of its proper divisors (10837033).

54185135 is a wasteful number, since it uses less digits than its factorization.

54185135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837032.

The product of its digits is 12000, while the sum is 32.

The square root of 54185135 is about 7361.0552911930. The cubic root of 54185135 is about 378.4077768643.

The spelling of 54185135 in words is "fifty-four million, one hundred eighty-five thousand, one hundred thirty-five".