54393407 has 2 divisors, whose sum is σ = 54393408. Its totient is φ = 54393406.

The previous prime is 54393401. The next prime is 54393431. The reversal of 54393407 is 70439345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54393407 - 2¹² = 54389311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54393401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27196703 + 27196704.

It is an arithmetic number, because the mean of its divisors is an integer number (27196704).

Almost surely, 2^54393407 is an apocalyptic number.

54393407 is a deficient number, since it is larger than the sum of its proper divisors (1).

54393407 is an equidigital number, since it uses as much as digits as its factorization.

54393407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 54393407 is about 7375.1886077578. The cubic root of 54393407 is about 378.8919870513.

The spelling of 54393407 in words is "fifty-four million, three hundred ninety-three thousand, four hundred seven".