54401657 has 2 divisors, whose sum is σ = 54401658. Its totient is φ = 54401656.

The previous prime is 54401639. The next prime is 54401663. The reversal of 54401657 is 75610445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 14661241 = 6304^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 54401657 - 2⁸ = 54401401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54401057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27200828 + 27200829.

It is an arithmetic number, because the mean of its divisors is an integer number (27200829).

Almost surely, 2^54401657 is an apocalyptic number.

It is an amenable number.

54401657 is a deficient number, since it is larger than the sum of its proper divisors (1).

54401657 is an equidigital number, since it uses as much as digits as its factorization.

54401657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 54401657 is about 7375.7478942816. The cubic root of 54401657 is about 378.9111419516.

The spelling of 54401657 in words is "fifty-four million, four hundred one thousand, six hundred fifty-seven".