55003337 has 2 divisors, whose sum is σ = 55003338. Its totient is φ = 55003336.

The previous prime is 55003307. The next prime is 55003357. The reversal of 55003337 is 73330055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54479161 + 524176 = 7381^2 + 724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55003337 is a prime.

It is a super-2 number, since 2×55003337² = 6050734162271138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55003307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27501668 + 27501669.

It is an arithmetic number, because the mean of its divisors is an integer number (27501669).

Almost surely, 2^55003337 is an apocalyptic number.

It is an amenable number.

55003337 is a deficient number, since it is larger than the sum of its proper divisors (1).

55003337 is an equidigital number, since it uses as much as digits as its factorization.

55003337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 26.

The square root of 55003337 is about 7416.4234641773. The cubic root of 55003337 is about 380.3029371038.

The spelling of 55003337 in words is "fifty-five million, three thousand, three hundred thirty-seven".