45553513 has 2 divisors, whose sum is σ = 45553514. Its totient is φ = 45553512.

The previous prime is 45553511. The next prime is 45553517. The reversal of 45553513 is 31535554.

45553513 = 4772² + 4773².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22781529 + 22771984 = 4773^2 + 4772^2 .

It is a cyclic number.

It is not a de Polignac number, because 45553513 - 2¹ = 45553511 is a prime.

Together with 45553511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45553511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22776756 + 22776757.

It is an arithmetic number, because the mean of its divisors is an integer number (22776757).

Almost surely, 2^45553513 is an apocalyptic number.

45553513 is the 4773-rd centered square number.

It is an amenable number.

45553513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45553513 is an equidigital number, since it uses as much as digits as its factorization.

45553513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22500, while the sum is 31.

The square root of 45553513 is about 6749.3342634663. The cubic root of 45553513 is about 357.1417520652.

The spelling of 45553513 in words is "forty-five million, five hundred fifty-three thousand, five hundred thirteen".