54945533 has 2 divisors, whose sum is σ = 54945534. Its totient is φ = 54945532.

The previous prime is 54945493. The next prime is 54945559. The reversal of 54945533 is 33554945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50438404 + 4507129 = 7102^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 54945533 - 2⁸ = 54945277 is a prime.

It is equal to p_3279098 and since 54945533 and 3279098 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54945433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27472766 + 27472767.

It is an arithmetic number, because the mean of its divisors is an integer number (27472767).

Almost surely, 2^54945533 is an apocalyptic number.

It is an amenable number.

54945533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54945533 is an equidigital number, since it uses as much as digits as its factorization.

54945533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 38.

The square root of 54945533 is about 7412.5254131099. The cubic root of 54945533 is about 380.1696680002.

The spelling of 54945533 in words is "fifty-four million, nine hundred forty-five thousand, five hundred thirty-three".