55460393 has 2 divisors, whose sum is σ = 55460394. Its totient is φ = 55460392.

The previous prime is 55460387. The next prime is 55460401. The reversal of 55460393 is 39306455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29735209 + 25725184 = 5453^2 + 5072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55460393 is a prime.

It is not a weakly prime, because it can be changed into another prime (55460303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27730196 + 27730197.

It is an arithmetic number, because the mean of its divisors is an integer number (27730197).

Almost surely, 2^55460393 is an apocalyptic number.

It is an amenable number.

55460393 is a deficient number, since it is larger than the sum of its proper divisors (1).

55460393 is an equidigital number, since it uses as much as digits as its factorization.

55460393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 55460393 is about 7447.1734906607. The cubic root of 55460393 is about 381.3534218033.

The spelling of 55460393 in words is "fifty-five million, four hundred sixty thousand, three hundred ninety-three".