90546543 has 12 divisors (see below), whose sum is σ = 130933608. Its totient is φ = 60297840.

The previous prime is 90546541. The next prime is 90546557. The reversal of 90546543 is 34564509.

It is a happy number.

It is not a de Polignac number, because 90546543 - 2¹ = 90546541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90546498 and 90546507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90546541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3928 + ... + 14018.

It is an arithmetic number, because the mean of its divisors is an integer number (10911134).

Almost surely, 2^90546543 is an apocalyptic number.

90546543 is a deficient number, since it is larger than the sum of its proper divisors (40387065).

90546543 is a wasteful number, since it uses less digits than its factorization.

90546543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094 (or 11091 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 90546543 is about 9515.5947265528. The cubic root of 90546543 is about 449.0457854478.

The spelling of 90546543 in words is "ninety million, five hundred forty-six thousand, five hundred forty-three".