54163657 has 2 divisors, whose sum is σ = 54163658. Its totient is φ = 54163656.

The previous prime is 54163639. The next prime is 54163663. The reversal of 54163657 is 75636145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37222201 + 16941456 = 6101^2 + 4116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54163657 is a prime.

It is a super-2 number, since 2×54163657² = 5867403479227298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54163607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27081828 + 27081829.

It is an arithmetic number, because the mean of its divisors is an integer number (27081829).

Almost surely, 2^54163657 is an apocalyptic number.

It is an amenable number.

54163657 is a deficient number, since it is larger than the sum of its proper divisors (1).

54163657 is an equidigital number, since it uses as much as digits as its factorization.

54163657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 54163657 is about 7359.5962525128. The cubic root of 54163657 is about 378.3577722746.

The spelling of 54163657 in words is "fifty-four million, one hundred sixty-three thousand, six hundred fifty-seven".