54457057 has 2 divisors, whose sum is σ = 54457058. Its totient is φ = 54457056.

The previous prime is 54456989. The next prime is 54457063. The reversal of 54457057 is 75075445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 4669921 = 7056^2 + 2161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54457057 is a prime.

It is not a weakly prime, because it can be changed into another prime (54457357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27228528 + 27228529.

It is an arithmetic number, because the mean of its divisors is an integer number (27228529).

Almost surely, 2^54457057 is an apocalyptic number.

It is an amenable number.

54457057 is a deficient number, since it is larger than the sum of its proper divisors (1).

54457057 is an equidigital number, since it uses as much as digits as its factorization.

54457057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 54457057 is about 7379.5024900057. The cubic root of 54457057 is about 379.0397198714.

The spelling of 54457057 in words is "fifty-four million, four hundred fifty-seven thousand, fifty-seven".