54135657 has 12 divisors (see below), whose sum is σ = 78496704. Its totient is φ = 35951640.

The previous prime is 54135647. The next prime is 54135661. The reversal of 54135657 is 75653145.

54135657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54135657 - 2⁶ = 54135593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54135607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9069 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (6541392).

Almost surely, 2^54135657 is an apocalyptic number.

It is an amenable number.

54135657 is a deficient number, since it is larger than the sum of its proper divisors (24361047).

54135657 is a wasteful number, since it uses less digits than its factorization.

54135657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23140 (or 23137 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 54135657 is about 7357.6937283363. The cubic root of 54135657 is about 378.2925634596.

The spelling of 54135657 in words is "fifty-four million, one hundred thirty-five thousand, six hundred fifty-seven".