54915193 has 2 divisors, whose sum is σ = 54915194. Its totient is φ = 54915192.

The previous prime is 54915139. The next prime is 54915209. The reversal of 54915193 is 39151945.

It is a happy number.

Together with previous prime (54915139) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54641664 + 273529 = 7392^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 54915193 - 2⁹ = 54914681 is a prime.

It is not a weakly prime, because it can be changed into another prime (54915103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27457596 + 27457597.

It is an arithmetic number, because the mean of its divisors is an integer number (27457597).

Almost surely, 2^54915193 is an apocalyptic number.

It is an amenable number.

54915193 is a deficient number, since it is larger than the sum of its proper divisors (1).

54915193 is an equidigital number, since it uses as much as digits as its factorization.

54915193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 37.

The square root of 54915193 is about 7410.4785945309. The cubic root of 54915193 is about 380.0996806826.

The spelling of 54915193 in words is "fifty-four million, nine hundred fifteen thousand, one hundred ninety-three".