553138357 has 2 divisors, whose sum is σ = 553138358. Its totient is φ = 553138356.

The previous prime is 553138331. The next prime is 553138361. The reversal of 553138357 is 753831355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511031236 + 42107121 = 22606^2 + 6489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553138357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553138387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276569178 + 276569179.

It is an arithmetic number, because the mean of its divisors is an integer number (276569179).

Almost surely, 2^553138357 is an apocalyptic number.

It is an amenable number.

553138357 is a deficient number, since it is larger than the sum of its proper divisors (1).

553138357 is an equidigital number, since it uses as much as digits as its factorization.

553138357 is an evil number, because the sum of its binary digits is even.

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

The square root of 553138357 is about 23518.8936176853. The cubic root of 553138357 is about 820.8766932343.

The spelling of 553138357 in words is "five hundred fifty-three million, one hundred thirty-eight thousand, three hundred fifty-seven".