54647533 has 2 divisors, whose sum is σ = 54647534. Its totient is φ = 54647532.

The previous prime is 54647531. The next prime is 54647573. The reversal of 54647533 is 33574645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53978409 + 669124 = 7347^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 54647533 - 2¹ = 54647531 is a prime.

Together with 54647531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 54647492 and 54647501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54647531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27323766 + 27323767.

It is an arithmetic number, because the mean of its divisors is an integer number (27323767).

Almost surely, 2^54647533 is an apocalyptic number.

It is an amenable number.

54647533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54647533 is an equidigital number, since it uses as much as digits as its factorization.

54647533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 37.

The square root of 54647533 is about 7392.3969725658. The cubic root of 54647533 is about 379.4811316341.

The spelling of 54647533 in words is "fifty-four million, six hundred forty-seven thousand, five hundred thirty-three".