553621463 has 2 divisors, whose sum is σ = 553621464. Its totient is φ = 553621462.

The previous prime is 553621459. The next prime is 553621511. The reversal of 553621463 is 364126355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553621463 - 2² = 553621459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553621763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276810731 + 276810732.

It is an arithmetic number, because the mean of its divisors is an integer number (276810732).

Almost surely, 2^553621463 is an apocalyptic number.

553621463 is a deficient number, since it is larger than the sum of its proper divisors (1).

553621463 is an equidigital number, since it uses as much as digits as its factorization.

553621463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 553621463 is about 23529.1619697770. The cubic root of 553621463 is about 821.1156057674.

The spelling of 553621463 in words is "five hundred fifty-three million, six hundred twenty-one thousand, four hundred sixty-three".