55735549 has 2 divisors, whose sum is σ = 55735550. Its totient is φ = 55735548.

The previous prime is 55735541. The next prime is 55735567. The reversal of 55735549 is 94553755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 15856324 = 6315^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 55735549 - 2³ = 55735541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55735541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27867774 + 27867775.

It is an arithmetic number, because the mean of its divisors is an integer number (27867775).

Almost surely, 2^55735549 is an apocalyptic number.

It is an amenable number.

55735549 is a deficient number, since it is larger than the sum of its proper divisors (1).

55735549 is an equidigital number, since it uses as much as digits as its factorization.

55735549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472500, while the sum is 43.

The square root of 55735549 is about 7465.6244882796. The cubic root of 55735549 is about 381.9830520701.

The spelling of 55735549 in words is "fifty-five million, seven hundred thirty-five thousand, five hundred forty-nine".