54581633 has 2 divisors, whose sum is σ = 54581634. Its totient is φ = 54581632.

The previous prime is 54581629. The next prime is 54581647. The reversal of 54581633 is 33618545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50452609 + 4129024 = 7103^2 + 2032^2 .

It is a cyclic number.

It is not a de Polignac number, because 54581633 - 2² = 54581629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54581593 and 54581602.

It is not a weakly prime, because it can be changed into another prime (54581603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27290816 + 27290817.

It is an arithmetic number, because the mean of its divisors is an integer number (27290817).

Almost surely, 2^54581633 is an apocalyptic number.

It is an amenable number.

54581633 is a deficient number, since it is larger than the sum of its proper divisors (1).

54581633 is an equidigital number, since it uses as much as digits as its factorization.

54581633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 54581633 is about 7387.9383457092. The cubic root of 54581633 is about 379.3285302611.

The spelling of 54581633 in words is "fifty-four million, five hundred eighty-one thousand, six hundred thirty-three".