54525533 has 2 divisors, whose sum is σ = 54525534. Its totient is φ = 54525532.

The previous prime is 54525517. The next prime is 54525547. The reversal of 54525533 is 33552545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45657049 + 8868484 = 6757^2 + 2978^2 .

It is a cyclic number.

It is not a de Polignac number, because 54525533 - 2⁴ = 54525517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54525533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54525733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27262766 + 27262767.

It is an arithmetic number, because the mean of its divisors is an integer number (27262767).

Almost surely, 2^54525533 is an apocalyptic number.

It is an amenable number.

54525533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54525533 is an equidigital number, since it uses as much as digits as its factorization.

54525533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45000, while the sum is 32.

The square root of 54525533 is about 7384.1406405891. The cubic root of 54525533 is about 379.1985254450.

The spelling of 54525533 in words is "fifty-four million, five hundred twenty-five thousand, five hundred thirty-three".