553220537 has 2 divisors, whose sum is σ = 553220538. Its totient is φ = 553220536.

The previous prime is 553220497. The next prime is 553220543. The reversal of 553220537 is 735022355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421521961 + 131698576 = 20531^2 + 11476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553220537 is a prime.

It is a Chen prime.

It is equal to p_29005709 and since 553220537 and 29005709 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (553220567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276610268 + 276610269.

It is an arithmetic number, because the mean of its divisors is an integer number (276610269).

Almost surely, 2^553220537 is an apocalyptic number.

It is an amenable number.

553220537 is a deficient number, since it is larger than the sum of its proper divisors (1).

553220537 is an equidigital number, since it uses as much as digits as its factorization.

553220537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 553220537 is about 23520.6406587916. The cubic root of 553220537 is about 820.9173438872.

The spelling of 553220537 in words is "five hundred fifty-three million, two hundred twenty thousand, five hundred thirty-seven".