55517003357 has 2 divisors, whose sum is σ = 55517003358. Its totient is φ = 55517003356.

The previous prime is 55517003327. The next prime is 55517003369. The reversal of 55517003357 is 75330071555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52114497796 + 3402505561 = 228286^2 + 58331^2 .

It is a cyclic number.

It is not a de Polignac number, because 55517003357 - 2⁶ = 55517003293 is a prime.

It is a super-3 number, since 3×55517003357³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55517003327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27758501678 + 27758501679.

It is an arithmetic number, because the mean of its divisors is an integer number (27758501679).

Almost surely, 2^55517003357 is an apocalyptic number.

It is an amenable number.

55517003357 is a deficient number, since it is larger than the sum of its proper divisors (1).

55517003357 is an equidigital number, since it uses as much as digits as its factorization.

55517003357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275625, while the sum is 41.

The spelling of 55517003357 in words is "fifty-five billion, five hundred seventeen million, three thousand, three hundred fifty-seven".