54190453 has 2 divisors, whose sum is σ = 54190454. Its totient is φ = 54190452.

The previous prime is 54190447. The next prime is 54190457. The reversal of 54190453 is 35409145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38651089 + 15539364 = 6217^2 + 3942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54190453 is a prime.

It is equal to p_3236854 and since 54190453 and 3236854 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54190457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27095226 + 27095227.

It is an arithmetic number, because the mean of its divisors is an integer number (27095227).

Almost surely, 2^54190453 is an apocalyptic number.

It is an amenable number.

54190453 is a deficient number, since it is larger than the sum of its proper divisors (1).

54190453 is an equidigital number, since it uses as much as digits as its factorization.

54190453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 54190453 is about 7361.4165077110. The cubic root of 54190453 is about 378.4201560696.

Adding to 54190453 its reverse (35409145), we get a palindrome (89599598).

The spelling of 54190453 in words is "fifty-four million, one hundred ninety thousand, four hundred fifty-three".