54665057 has 2 divisors, whose sum is σ = 54665058. Its totient is φ = 54665056.

The previous prime is 54665053. The next prime is 54665063. The reversal of 54665057 is 75056645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41589601 + 13075456 = 6449^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 54665057 - 2² = 54665053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54665057.

It is not a weakly prime, because it can be changed into another prime (54665053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27332528 + 27332529.

It is an arithmetic number, because the mean of its divisors is an integer number (27332529).

Almost surely, 2^54665057 is an apocalyptic number.

It is an amenable number.

54665057 is a deficient number, since it is larger than the sum of its proper divisors (1).

54665057 is an equidigital number, since it uses as much as digits as its factorization.

54665057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 54665057 is about 7393.5821494050. The cubic root of 54665057 is about 379.5216904437.

The spelling of 54665057 in words is "fifty-four million, six hundred sixty-five thousand, fifty-seven".