54193697 has 2 divisors, whose sum is σ = 54193698. Its totient is φ = 54193696.

The previous prime is 54193693. The next prime is 54193747. The reversal of 54193697 is 79639145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36012001 + 18181696 = 6001^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 54193697 - 2² = 54193693 is a prime.

It is not a weakly prime, because it can be changed into another prime (54193691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27096848 + 27096849.

It is an arithmetic number, because the mean of its divisors is an integer number (27096849).

Almost surely, 2^54193697 is an apocalyptic number.

It is an amenable number.

54193697 is a deficient number, since it is larger than the sum of its proper divisors (1).

54193697 is an equidigital number, since it uses as much as digits as its factorization.

54193697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 54193697 is about 7361.6368424420. The cubic root of 54193697 is about 378.4277070337.

The spelling of 54193697 in words is "fifty-four million, one hundred ninety-three thousand, six hundred ninety-seven".