54415469 has 2 divisors, whose sum is σ = 54415470. Its totient is φ = 54415468.

The previous prime is 54415421. The next prime is 54415481. The reversal of 54415469 is 96451445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46063369 + 8352100 = 6787^2 + 2890^2 .

It is a cyclic number.

It is not a de Polignac number, because 54415469 - 2⁸ = 54415213 is a prime.

It is a super-2 number, since 2×54415469² = 5922086532979922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54415409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27207734 + 27207735.

It is an arithmetic number, because the mean of its divisors is an integer number (27207735).

Almost surely, 2^54415469 is an apocalyptic number.

It is an amenable number.

54415469 is a deficient number, since it is larger than the sum of its proper divisors (1).

54415469 is an equidigital number, since it uses as much as digits as its factorization.

54415469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 54415469 is about 7376.6841466881. The cubic root of 54415469 is about 378.9432064029.

The spelling of 54415469 in words is "fifty-four million, four hundred fifteen thousand, four hundred sixty-nine".