55454653 has 2 divisors, whose sum is σ = 55454654. Its totient is φ = 55454652.

The previous prime is 55454611. The next prime is 55454657. The reversal of 55454653 is 35645455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55383364 + 71289 = 7442^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 55454653 - 2²¹ = 53357501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55454657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27727326 + 27727327.

It is an arithmetic number, because the mean of its divisors is an integer number (27727327).

Almost surely, 2^55454653 is an apocalyptic number.

It is an amenable number.

55454653 is a deficient number, since it is larger than the sum of its proper divisors (1).

55454653 is an equidigital number, since it uses as much as digits as its factorization.

55454653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 37.

The square root of 55454653 is about 7446.7880995769. The cubic root of 55454653 is about 381.3402650017.

The spelling of 55454653 in words is "fifty-five million, four hundred fifty-four thousand, six hundred fifty-three".