54135128 has 8 divisors (see below), whose sum is σ = 101503380. Its totient is φ = 27067560.

The previous prime is 54135119. The next prime is 54135163. The reversal of 54135128 is 82153145.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×54135128² = 5861224167152768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54135128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383438 + ... + 3383453.

Almost surely, 2^54135128 is an apocalyptic number.

It is an amenable number.

54135128 is a deficient number, since it is larger than the sum of its proper divisors (47368252).

54135128 is a wasteful number, since it uses less digits than its factorization.

54135128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766897 (or 6766893 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 54135128 is about 7357.6577794839. The cubic root of 54135128 is about 378.2913312623.

The spelling of 54135128 in words is "fifty-four million, one hundred thirty-five thousand, one hundred twenty-eight".