553662157 has 2 divisors, whose sum is σ = 553662158. Its totient is φ = 553662156.

The previous prime is 553662143. The next prime is 553662173. The reversal of 553662157 is 751266355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433847241 + 119814916 = 20829^2 + 10946^2 .

It is a cyclic number.

It is not a de Polignac number, because 553662157 - 2⁷ = 553662029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553660157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276831078 + 276831079.

It is an arithmetic number, because the mean of its divisors is an integer number (276831079).

Almost surely, 2^553662157 is an apocalyptic number.

It is an amenable number.

553662157 is a deficient number, since it is larger than the sum of its proper divisors (1).

553662157 is an equidigital number, since it uses as much as digits as its factorization.

553662157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The square root of 553662157 is about 23530.0267105671. The cubic root of 553662157 is about 821.1357240022.

The spelling of 553662157 in words is "five hundred fifty-three million, six hundred sixty-two thousand, one hundred fifty-seven".