54699457 has 2 divisors, whose sum is σ = 54699458. Its totient is φ = 54699456.

The previous prime is 54699439. The next prime is 54699487. The reversal of 54699457 is 75499645.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42302016 + 12397441 = 6504^2 + 3521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54699457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54699457.

It is not a weakly prime, because it can be changed into another prime (54699427) 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, 27349728 + 27349729.

It is an arithmetic number, because the mean of its divisors is an integer number (27349729).

Almost surely, 2^54699457 is an apocalyptic number.

It is an amenable number.

54699457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54699457 is an equidigital number, since it uses as much as digits as its factorization.

54699457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 54699457 is about 7395.9081254434. The cubic root of 54699457 is about 379.6012830833.

The spelling of 54699457 in words is "fifty-four million, six hundred ninety-nine thousand, four hundred fifty-seven".