55371733 has 2 divisors, whose sum is σ = 55371734. Its totient is φ = 55371732.

The previous prime is 55371727. The next prime is 55371769. The reversal of 55371733 is 33717355.

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., 35319249 + 20052484 = 5943^2 + 4478^2 .

It is a cyclic number.

It is not a de Polignac number, because 55371733 - 2⁹ = 55371221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55371793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27685866 + 27685867.

It is an arithmetic number, because the mean of its divisors is an integer number (27685867).

Almost surely, 2^55371733 is an apocalyptic number.

It is an amenable number.

55371733 is a deficient number, since it is larger than the sum of its proper divisors (1).

55371733 is an equidigital number, since it uses as much as digits as its factorization.

55371733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33075, while the sum is 34.

The square root of 55371733 is about 7441.2185158077. The cubic root of 55371733 is about 381.1501005656.

The spelling of 55371733 in words is "fifty-five million, three hundred seventy-one thousand, seven hundred thirty-three".