90577541 has 4 divisors (see below), whose sum is σ = 95344800. Its totient is φ = 85810284.

The previous prime is 90577499. The next prime is 90577561. The reversal of 90577541 is 14577509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14577509 = 41 ⋅355549.

It is a cyclic number.

It is not a de Polignac number, because 90577541 - 2¹⁰ = 90576517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90577495 and 90577504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90577561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2383601 + ... + 2383638.

It is an arithmetic number, because the mean of its divisors is an integer number (23836200).

Almost surely, 2^90577541 is an apocalyptic number.

It is an amenable number.

90577541 is a deficient number, since it is larger than the sum of its proper divisors (4767259).

90577541 is a wasteful number, since it uses less digits than its factorization.

90577541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767258.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 90577541 is about 9517.2233871019. The cubic root of 90577541 is about 449.0970222029.

The spelling of 90577541 in words is "ninety million, five hundred seventy-seven thousand, five hundred forty-one".