54557533 has 2 divisors, whose sum is σ = 54557534. Its totient is φ = 54557532.

The previous prime is 54557527. The next prime is 54557537. The reversal of 54557533 is 33575545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43388569 + 11168964 = 6587^2 + 3342^2 .

It is a cyclic number.

It is not a de Polignac number, because 54557533 - 2⁵ = 54557501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54557492 and 54557501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54557537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27278766 + 27278767.

It is an arithmetic number, because the mean of its divisors is an integer number (27278767).

Almost surely, 2^54557533 is an apocalyptic number.

It is an amenable number.

54557533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54557533 is an equidigital number, since it uses as much as digits as its factorization.

54557533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157500, while the sum is 37.

The square root of 54557533 is about 7386.3071287349. The cubic root of 54557533 is about 379.2726924093.

The spelling of 54557533 in words is "fifty-four million, five hundred fifty-seven thousand, five hundred thirty-three".