555023057 has 2 divisors, whose sum is σ = 555023058. Its totient is φ = 555023056.

The previous prime is 555023011. The next prime is 555023087. The reversal of 555023057 is 750320555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480442561 + 74580496 = 21919^2 + 8636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555023057 is a prime.

It is not a weakly prime, because it can be changed into another prime (555023087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277511528 + 277511529.

It is an arithmetic number, because the mean of its divisors is an integer number (277511529).

Almost surely, 2^555023057 is an apocalyptic number.

It is an amenable number.

555023057 is a deficient number, since it is larger than the sum of its proper divisors (1).

555023057 is an equidigital number, since it uses as much as digits as its factorization.

555023057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 555023057 is about 23558.9273312687. The cubic root of 555023057 is about 821.8079566086.

The spelling of 555023057 in words is "five hundred fifty-five million, twenty-three thousand, fifty-seven".