55003357 has 2 divisors, whose sum is σ = 55003358. Its totient is φ = 55003356.

The previous prime is 55003337. The next prime is 55003367. The reversal of 55003357 is 75330055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 9696996 = 6731^2 + 3114^2 .

It is a cyclic number.

It is not a de Polignac number, because 55003357 - 2²³ = 46614749 is a prime.

It is a Chen prime.

It is a congruent number.

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, 27501678 + 27501679.

It is an arithmetic number, because the mean of its divisors is an integer number (27501679).

Almost surely, 2^55003357 is an apocalyptic number.

It is an amenable number.

55003357 is a deficient number, since it is larger than the sum of its proper divisors (1).

55003357 is an equidigital number, since it uses as much as digits as its factorization.

55003357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 55003357 is about 7416.4248125360. The cubic root of 55003357 is about 380.3029831984.

The spelling of 55003357 in words is "fifty-five million, three thousand, three hundred fifty-seven".