90629543 has 2 divisors, whose sum is σ = 90629544. Its totient is φ = 90629542.

The previous prime is 90629521. The next prime is 90629551. The reversal of 90629543 is 34592609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90629543 - 2⁶ = 90629479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90629497 and 90629506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90629743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45314771 + 45314772.

It is an arithmetic number, because the mean of its divisors is an integer number (45314772).

Almost surely, 2^90629543 is an apocalyptic number.

90629543 is a deficient number, since it is larger than the sum of its proper divisors (1).

90629543 is an equidigital number, since it uses as much as digits as its factorization.

90629543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 90629543 is about 9519.9549893894. The cubic root of 90629543 is about 449.1829503304.

The spelling of 90629543 in words is "ninety million, six hundred twenty-nine thousand, five hundred forty-three".