55454461 has 2 divisors, whose sum is σ = 55454462. Its totient is φ = 55454460.

The previous prime is 55454431. The next prime is 55454519. The reversal of 55454461 is 16445455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 783225 = 7394^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 55454461 - 2¹³ = 55446269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55454401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27727230 + 27727231.

It is an arithmetic number, because the mean of its divisors is an integer number (27727231).

Almost surely, 2^55454461 is an apocalyptic number.

It is an amenable number.

55454461 is a deficient number, since it is larger than the sum of its proper divisors (1).

55454461 is an equidigital number, since it uses as much as digits as its factorization.

55454461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 34.

The square root of 55454461 is about 7446.7752081018. The cubic root of 55454461 is about 381.3398248979.

The spelling of 55454461 in words is "fifty-five million, four hundred fifty-four thousand, four hundred sixty-one".