54985933 has 2 divisors, whose sum is σ = 54985934. Its totient is φ = 54985932.

The previous prime is 54985927. The next prime is 54985951. The reversal of 54985933 is 33958945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 1432809 = 7318^2 + 1197^2 .

It is a cyclic number.

It is not a de Polignac number, because 54985933 - 2¹⁷ = 54854861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54986933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27492966 + 27492967.

It is an arithmetic number, because the mean of its divisors is an integer number (27492967).

Almost surely, 2^54985933 is an apocalyptic number.

It is an amenable number.

54985933 is a deficient number, since it is larger than the sum of its proper divisors (1).

54985933 is an equidigital number, since it uses as much as digits as its factorization.

54985933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The square root of 54985933 is about 7415.2500295000. The cubic root of 54985933 is about 380.2628214133.

The spelling of 54985933 in words is "fifty-four million, nine hundred eighty-five thousand, nine hundred thirty-three".