555040477 has 2 divisors, whose sum is σ = 555040478. Its totient is φ = 555040476.

The previous prime is 555040471. The next prime is 555040489. The reversal of 555040477 is 774040555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546343876 + 8696601 = 23374^2 + 2949^2 .

It is a cyclic number.

It is not a de Polignac number, because 555040477 - 2³ = 555040469 is a prime.

It is a super-2 number, since 2×555040477² = 616139862216775058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555040471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277520238 + 277520239.

It is an arithmetic number, because the mean of its divisors is an integer number (277520239).

Almost surely, 2^555040477 is an apocalyptic number.

It is an amenable number.

555040477 is a deficient number, since it is larger than the sum of its proper divisors (1).

555040477 is an equidigital number, since it uses as much as digits as its factorization.

555040477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 555040477 is about 23559.2970395978. The cubic root of 555040477 is about 821.8165542964.

The spelling of 555040477 in words is "five hundred fifty-five million, forty thousand, four hundred seventy-seven".