55502417 has 2 divisors, whose sum is σ = 55502418. Its totient is φ = 55502416.

The previous prime is 55502413. The next prime is 55502423. The reversal of 55502417 is 71420555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34562641 + 20939776 = 5879^2 + 4576^2 .

It is a cyclic number.

It is not a de Polignac number, because 55502417 - 2² = 55502413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55502417.

It is not a weakly prime, because it can be changed into another prime (55502413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751208 + 27751209.

It is an arithmetic number, because the mean of its divisors is an integer number (27751209).

Almost surely, 2^55502417 is an apocalyptic number.

It is an amenable number.

55502417 is a deficient number, since it is larger than the sum of its proper divisors (1).

55502417 is an equidigital number, since it uses as much as digits as its factorization.

55502417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 55502417 is about 7449.9944295281. The cubic root of 55502417 is about 381.4497184530.

The spelling of 55502417 in words is "fifty-five million, five hundred two thousand, four hundred seventeen".