55517093 has 2 divisors, whose sum is σ = 55517094. Its totient is φ = 55517092.

The previous prime is 55517083. The next prime is 55517141. The reversal of 55517093 is 39071555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28912129 + 26604964 = 5377^2 + 5158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55517093 is a prime.

It is a super-3 number, since 3×55517093³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55517003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27758546 + 27758547.

It is an arithmetic number, because the mean of its divisors is an integer number (27758547).

Almost surely, 2^55517093 is an apocalyptic number.

It is an amenable number.

55517093 is a deficient number, since it is larger than the sum of its proper divisors (1).

55517093 is an equidigital number, since it uses as much as digits as its factorization.

55517093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 55517093 is about 7450.9793316047. The cubic root of 55517093 is about 381.4833365849.

The spelling of 55517093 in words is "fifty-five million, five hundred seventeen thousand, ninety-three".