555500797 has 4 divisors (see below), whose sum is σ = 558320796. Its totient is φ = 552680800.

The previous prime is 555500783. The next prime is 555500833. The reversal of 555500797 is 797005555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319908996 + 235591801 = 17886^2 + 15349^2 .

It is a cyclic number.

It is not a de Polignac number, because 555500797 - 2¹⁵ = 555468029 is a prime.

It is a super-2 number, since 2×555500797² = 617162270935270418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555500767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409704 + ... + 1410097.

It is an arithmetic number, because the mean of its divisors is an integer number (139580199).

Almost surely, 2^555500797 is an apocalyptic number.

It is an amenable number.

555500797 is a deficient number, since it is larger than the sum of its proper divisors (2819999).

555500797 is a wasteful number, since it uses less digits than its factorization.

555500797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819998.

The product of its (nonzero) digits is 275625, while the sum is 43.

The square root of 555500797 is about 23569.0644065478. The cubic root of 555500797 is about 822.0436813139.

The spelling of 555500797 in words is "five hundred fifty-five million, five hundred thousand, seven hundred ninety-seven".