54442513 has 2 divisors, whose sum is σ = 54442514. Its totient is φ = 54442512.

The previous prime is 54442499. The next prime is 54442519. The reversal of 54442513 is 31524445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43996689 + 10445824 = 6633^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 54442513 - 2⁵ = 54442481 is a prime.

It is not a weakly prime, because it can be changed into another prime (54442519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27221256 + 27221257.

It is an arithmetic number, because the mean of its divisors is an integer number (27221257).

Almost surely, 2^54442513 is an apocalyptic number.

It is an amenable number.

54442513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54442513 is an equidigital number, since it uses as much as digits as its factorization.

54442513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 28.

The square root of 54442513 is about 7378.5169919165. The cubic root of 54442513 is about 379.0059731308.

Adding to 54442513 its reverse (31524445), we get a palindrome (85966958).

The spelling of 54442513 in words is "fifty-four million, four hundred forty-two thousand, five hundred thirteen".